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-rw-r--r--lib/Kconfig3
-rw-r--r--lib/Kconfig.debug36
-rw-r--r--lib/Makefile3
-rw-r--r--lib/find_next_bit.c18
-rw-r--r--lib/kstrtox.c227
-rw-r--r--lib/show_mem.c4
-rw-r--r--lib/test-kstrtox.c739
-rw-r--r--lib/vsprintf.c157
-rw-r--r--lib/zlib_deflate/deflate.c31
-rw-r--r--lib/zlib_deflate/defutil.h17
10 files changed, 1064 insertions, 171 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 3a55a43c43eb..23fa7a359db7 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -22,6 +22,9 @@ config GENERIC_FIND_FIRST_BIT
22config GENERIC_FIND_NEXT_BIT 22config GENERIC_FIND_NEXT_BIT
23 bool 23 bool
24 24
25config GENERIC_FIND_BIT_LE
26 bool
27
25config GENERIC_FIND_LAST_BIT 28config GENERIC_FIND_LAST_BIT
26 bool 29 bool
27 default y 30 default y
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 6f440d82b58d..df9234c5f9d1 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -9,6 +9,17 @@ config PRINTK_TIME
9 operations. This is useful for identifying long delays 9 operations. This is useful for identifying long delays
10 in kernel startup. 10 in kernel startup.
11 11
12config DEFAULT_MESSAGE_LOGLEVEL
13 int "Default message log level (1-7)"
14 range 1 7
15 default "4"
16 help
17 Default log level for printk statements with no specified priority.
18
19 This was hard-coded to KERN_WARNING since at least 2.6.10 but folks
20 that are auditing their logs closely may want to set it to a lower
21 priority.
22
12config ENABLE_WARN_DEPRECATED 23config ENABLE_WARN_DEPRECATED
13 bool "Enable __deprecated logic" 24 bool "Enable __deprecated logic"
14 default y 25 default y
@@ -102,11 +113,6 @@ config HEADERS_CHECK
102 113
103config DEBUG_SECTION_MISMATCH 114config DEBUG_SECTION_MISMATCH
104 bool "Enable full Section mismatch analysis" 115 bool "Enable full Section mismatch analysis"
105 depends on UNDEFINED || (BLACKFIN)
106 default y
107 # This option is on purpose disabled for now.
108 # It will be enabled when we are down to a reasonable number
109 # of section mismatch warnings (< 10 for an allyesconfig build)
110 help 116 help
111 The section mismatch analysis checks if there are illegal 117 The section mismatch analysis checks if there are illegal
112 references from one section to another section. 118 references from one section to another section.
@@ -176,6 +182,23 @@ config HARDLOCKUP_DETECTOR
176 def_bool LOCKUP_DETECTOR && PERF_EVENTS && HAVE_PERF_EVENTS_NMI && \ 182 def_bool LOCKUP_DETECTOR && PERF_EVENTS && HAVE_PERF_EVENTS_NMI && \
177 !ARCH_HAS_NMI_WATCHDOG 183 !ARCH_HAS_NMI_WATCHDOG
178 184
185config BOOTPARAM_HARDLOCKUP_PANIC
186 bool "Panic (Reboot) On Hard Lockups"
187 depends on LOCKUP_DETECTOR
188 help
189 Say Y here to enable the kernel to panic on "hard lockups",
190 which are bugs that cause the kernel to loop in kernel
191 mode with interrupts disabled for more than 60 seconds.
192
193 Say N if unsure.
194
195config BOOTPARAM_HARDLOCKUP_PANIC_VALUE
196 int
197 depends on LOCKUP_DETECTOR
198 range 0 1
199 default 0 if !BOOTPARAM_HARDLOCKUP_PANIC
200 default 1 if BOOTPARAM_HARDLOCKUP_PANIC
201
179config BOOTPARAM_SOFTLOCKUP_PANIC 202config BOOTPARAM_SOFTLOCKUP_PANIC
180 bool "Panic (Reboot) On Soft Lockups" 203 bool "Panic (Reboot) On Soft Lockups"
181 depends on LOCKUP_DETECTOR 204 depends on LOCKUP_DETECTOR
@@ -1227,3 +1250,6 @@ source "samples/Kconfig"
1227source "lib/Kconfig.kgdb" 1250source "lib/Kconfig.kgdb"
1228 1251
1229source "lib/Kconfig.kmemcheck" 1252source "lib/Kconfig.kmemcheck"
1253
1254config TEST_KSTRTOX
1255 tristate "Test kstrto*() family of functions at runtime"
diff --git a/lib/Makefile b/lib/Makefile
index ef7ed71a6ffd..d7872b5c4c1c 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -22,6 +22,8 @@ lib-y += kobject.o kref.o klist.o
22obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \ 22obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
23 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \ 23 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
24 string_helpers.o gcd.o lcm.o list_sort.o uuid.o flex_array.o 24 string_helpers.o gcd.o lcm.o list_sort.o uuid.o flex_array.o
25obj-y += kstrtox.o
26obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
25 27
26ifeq ($(CONFIG_DEBUG_KOBJECT),y) 28ifeq ($(CONFIG_DEBUG_KOBJECT),y)
27CFLAGS_kobject.o += -DDEBUG 29CFLAGS_kobject.o += -DDEBUG
@@ -38,6 +40,7 @@ lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o
38lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o 40lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o
39lib-$(CONFIG_GENERIC_FIND_FIRST_BIT) += find_next_bit.o 41lib-$(CONFIG_GENERIC_FIND_FIRST_BIT) += find_next_bit.o
40lib-$(CONFIG_GENERIC_FIND_NEXT_BIT) += find_next_bit.o 42lib-$(CONFIG_GENERIC_FIND_NEXT_BIT) += find_next_bit.o
43lib-$(CONFIG_GENERIC_FIND_BIT_LE) += find_next_bit.o
41obj-$(CONFIG_GENERIC_FIND_LAST_BIT) += find_last_bit.o 44obj-$(CONFIG_GENERIC_FIND_LAST_BIT) += find_last_bit.o
42 45
43CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS)) 46CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
diff --git a/lib/find_next_bit.c b/lib/find_next_bit.c
index 24c59ded47a0..b0a8767282bf 100644
--- a/lib/find_next_bit.c
+++ b/lib/find_next_bit.c
@@ -160,6 +160,7 @@ EXPORT_SYMBOL(find_first_zero_bit);
160#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */ 160#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */
161 161
162#ifdef __BIG_ENDIAN 162#ifdef __BIG_ENDIAN
163#ifdef CONFIG_GENERIC_FIND_BIT_LE
163 164
164/* include/linux/byteorder does not support "unsigned long" type */ 165/* include/linux/byteorder does not support "unsigned long" type */
165static inline unsigned long ext2_swabp(const unsigned long * x) 166static inline unsigned long ext2_swabp(const unsigned long * x)
@@ -185,15 +186,16 @@ static inline unsigned long ext2_swab(const unsigned long y)
185#endif 186#endif
186} 187}
187 188
188unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned 189unsigned long find_next_zero_bit_le(const void *addr, unsigned
189 long size, unsigned long offset) 190 long size, unsigned long offset)
190{ 191{
191 const unsigned long *p = addr + BITOP_WORD(offset); 192 const unsigned long *p = addr;
192 unsigned long result = offset & ~(BITS_PER_LONG - 1); 193 unsigned long result = offset & ~(BITS_PER_LONG - 1);
193 unsigned long tmp; 194 unsigned long tmp;
194 195
195 if (offset >= size) 196 if (offset >= size)
196 return size; 197 return size;
198 p += BITOP_WORD(offset);
197 size -= result; 199 size -= result;
198 offset &= (BITS_PER_LONG - 1UL); 200 offset &= (BITS_PER_LONG - 1UL);
199 if (offset) { 201 if (offset) {
@@ -226,18 +228,18 @@ found_middle:
226found_middle_swap: 228found_middle_swap:
227 return result + ffz(ext2_swab(tmp)); 229 return result + ffz(ext2_swab(tmp));
228} 230}
231EXPORT_SYMBOL(find_next_zero_bit_le);
229 232
230EXPORT_SYMBOL(generic_find_next_zero_le_bit); 233unsigned long find_next_bit_le(const void *addr, unsigned
231
232unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned
233 long size, unsigned long offset) 234 long size, unsigned long offset)
234{ 235{
235 const unsigned long *p = addr + BITOP_WORD(offset); 236 const unsigned long *p = addr;
236 unsigned long result = offset & ~(BITS_PER_LONG - 1); 237 unsigned long result = offset & ~(BITS_PER_LONG - 1);
237 unsigned long tmp; 238 unsigned long tmp;
238 239
239 if (offset >= size) 240 if (offset >= size)
240 return size; 241 return size;
242 p += BITOP_WORD(offset);
241 size -= result; 243 size -= result;
242 offset &= (BITS_PER_LONG - 1UL); 244 offset &= (BITS_PER_LONG - 1UL);
243 if (offset) { 245 if (offset) {
@@ -271,5 +273,7 @@ found_middle:
271found_middle_swap: 273found_middle_swap:
272 return result + __ffs(ext2_swab(tmp)); 274 return result + __ffs(ext2_swab(tmp));
273} 275}
274EXPORT_SYMBOL(generic_find_next_le_bit); 276EXPORT_SYMBOL(find_next_bit_le);
277
278#endif /* CONFIG_GENERIC_FIND_BIT_LE */
275#endif /* __BIG_ENDIAN */ 279#endif /* __BIG_ENDIAN */
diff --git a/lib/kstrtox.c b/lib/kstrtox.c
new file mode 100644
index 000000000000..05672e819f8c
--- /dev/null
+++ b/lib/kstrtox.c
@@ -0,0 +1,227 @@
1/*
2 * Convert integer string representation to an integer.
3 * If an integer doesn't fit into specified type, -E is returned.
4 *
5 * Integer starts with optional sign.
6 * kstrtou*() functions do not accept sign "-".
7 *
8 * Radix 0 means autodetection: leading "0x" implies radix 16,
9 * leading "0" implies radix 8, otherwise radix is 10.
10 * Autodetection hints work after optional sign, but not before.
11 *
12 * If -E is returned, result is not touched.
13 */
14#include <linux/ctype.h>
15#include <linux/errno.h>
16#include <linux/kernel.h>
17#include <linux/math64.h>
18#include <linux/module.h>
19#include <linux/types.h>
20
21static inline char _tolower(const char c)
22{
23 return c | 0x20;
24}
25
26static int _kstrtoull(const char *s, unsigned int base, unsigned long long *res)
27{
28 unsigned long long acc;
29 int ok;
30
31 if (base == 0) {
32 if (s[0] == '0') {
33 if (_tolower(s[1]) == 'x' && isxdigit(s[2]))
34 base = 16;
35 else
36 base = 8;
37 } else
38 base = 10;
39 }
40 if (base == 16 && s[0] == '0' && _tolower(s[1]) == 'x')
41 s += 2;
42
43 acc = 0;
44 ok = 0;
45 while (*s) {
46 unsigned int val;
47
48 if ('0' <= *s && *s <= '9')
49 val = *s - '0';
50 else if ('a' <= _tolower(*s) && _tolower(*s) <= 'f')
51 val = _tolower(*s) - 'a' + 10;
52 else if (*s == '\n') {
53 if (*(s + 1) == '\0')
54 break;
55 else
56 return -EINVAL;
57 } else
58 return -EINVAL;
59
60 if (val >= base)
61 return -EINVAL;
62 if (acc > div_u64(ULLONG_MAX - val, base))
63 return -ERANGE;
64 acc = acc * base + val;
65 ok = 1;
66
67 s++;
68 }
69 if (!ok)
70 return -EINVAL;
71 *res = acc;
72 return 0;
73}
74
75int kstrtoull(const char *s, unsigned int base, unsigned long long *res)
76{
77 if (s[0] == '+')
78 s++;
79 return _kstrtoull(s, base, res);
80}
81EXPORT_SYMBOL(kstrtoull);
82
83int kstrtoll(const char *s, unsigned int base, long long *res)
84{
85 unsigned long long tmp;
86 int rv;
87
88 if (s[0] == '-') {
89 rv = _kstrtoull(s + 1, base, &tmp);
90 if (rv < 0)
91 return rv;
92 if ((long long)(-tmp) >= 0)
93 return -ERANGE;
94 *res = -tmp;
95 } else {
96 rv = kstrtoull(s, base, &tmp);
97 if (rv < 0)
98 return rv;
99 if ((long long)tmp < 0)
100 return -ERANGE;
101 *res = tmp;
102 }
103 return 0;
104}
105EXPORT_SYMBOL(kstrtoll);
106
107/* Internal, do not use. */
108int _kstrtoul(const char *s, unsigned int base, unsigned long *res)
109{
110 unsigned long long tmp;
111 int rv;
112
113 rv = kstrtoull(s, base, &tmp);
114 if (rv < 0)
115 return rv;
116 if (tmp != (unsigned long long)(unsigned long)tmp)
117 return -ERANGE;
118 *res = tmp;
119 return 0;
120}
121EXPORT_SYMBOL(_kstrtoul);
122
123/* Internal, do not use. */
124int _kstrtol(const char *s, unsigned int base, long *res)
125{
126 long long tmp;
127 int rv;
128
129 rv = kstrtoll(s, base, &tmp);
130 if (rv < 0)
131 return rv;
132 if (tmp != (long long)(long)tmp)
133 return -ERANGE;
134 *res = tmp;
135 return 0;
136}
137EXPORT_SYMBOL(_kstrtol);
138
139int kstrtouint(const char *s, unsigned int base, unsigned int *res)
140{
141 unsigned long long tmp;
142 int rv;
143
144 rv = kstrtoull(s, base, &tmp);
145 if (rv < 0)
146 return rv;
147 if (tmp != (unsigned long long)(unsigned int)tmp)
148 return -ERANGE;
149 *res = tmp;
150 return 0;
151}
152EXPORT_SYMBOL(kstrtouint);
153
154int kstrtoint(const char *s, unsigned int base, int *res)
155{
156 long long tmp;
157 int rv;
158
159 rv = kstrtoll(s, base, &tmp);
160 if (rv < 0)
161 return rv;
162 if (tmp != (long long)(int)tmp)
163 return -ERANGE;
164 *res = tmp;
165 return 0;
166}
167EXPORT_SYMBOL(kstrtoint);
168
169int kstrtou16(const char *s, unsigned int base, u16 *res)
170{
171 unsigned long long tmp;
172 int rv;
173
174 rv = kstrtoull(s, base, &tmp);
175 if (rv < 0)
176 return rv;
177 if (tmp != (unsigned long long)(u16)tmp)
178 return -ERANGE;
179 *res = tmp;
180 return 0;
181}
182EXPORT_SYMBOL(kstrtou16);
183
184int kstrtos16(const char *s, unsigned int base, s16 *res)
185{
186 long long tmp;
187 int rv;
188
189 rv = kstrtoll(s, base, &tmp);
190 if (rv < 0)
191 return rv;
192 if (tmp != (long long)(s16)tmp)
193 return -ERANGE;
194 *res = tmp;
195 return 0;
196}
197EXPORT_SYMBOL(kstrtos16);
198
199int kstrtou8(const char *s, unsigned int base, u8 *res)
200{
201 unsigned long long tmp;
202 int rv;
203
204 rv = kstrtoull(s, base, &tmp);
205 if (rv < 0)
206 return rv;
207 if (tmp != (unsigned long long)(u8)tmp)
208 return -ERANGE;
209 *res = tmp;
210 return 0;
211}
212EXPORT_SYMBOL(kstrtou8);
213
214int kstrtos8(const char *s, unsigned int base, s8 *res)
215{
216 long long tmp;
217 int rv;
218
219 rv = kstrtoll(s, base, &tmp);
220 if (rv < 0)
221 return rv;
222 if (tmp != (long long)(s8)tmp)
223 return -ERANGE;
224 *res = tmp;
225 return 0;
226}
227EXPORT_SYMBOL(kstrtos8);
diff --git a/lib/show_mem.c b/lib/show_mem.c
index fdc77c82f922..90cbe4bb5960 100644
--- a/lib/show_mem.c
+++ b/lib/show_mem.c
@@ -9,14 +9,14 @@
9#include <linux/nmi.h> 9#include <linux/nmi.h>
10#include <linux/quicklist.h> 10#include <linux/quicklist.h>
11 11
12void show_mem(void) 12void show_mem(unsigned int filter)
13{ 13{
14 pg_data_t *pgdat; 14 pg_data_t *pgdat;
15 unsigned long total = 0, reserved = 0, shared = 0, 15 unsigned long total = 0, reserved = 0, shared = 0,
16 nonshared = 0, highmem = 0; 16 nonshared = 0, highmem = 0;
17 17
18 printk("Mem-Info:\n"); 18 printk("Mem-Info:\n");
19 show_free_areas(); 19 __show_free_areas(filter);
20 20
21 for_each_online_pgdat(pgdat) { 21 for_each_online_pgdat(pgdat) {
22 unsigned long i, flags; 22 unsigned long i, flags;
diff --git a/lib/test-kstrtox.c b/lib/test-kstrtox.c
new file mode 100644
index 000000000000..325c2f9ecebd
--- /dev/null
+++ b/lib/test-kstrtox.c
@@ -0,0 +1,739 @@
1#include <linux/init.h>
2#include <linux/kernel.h>
3#include <linux/module.h>
4
5#define for_each_test(i, test) \
6 for (i = 0; i < sizeof(test) / sizeof(test[0]); i++)
7
8struct test_fail {
9 const char *str;
10 unsigned int base;
11};
12
13#define DEFINE_TEST_FAIL(test) \
14 const struct test_fail test[] __initdata
15
16#define DECLARE_TEST_OK(type, test_type) \
17 test_type { \
18 const char *str; \
19 unsigned int base; \
20 type expected_res; \
21 }
22
23#define DEFINE_TEST_OK(type, test) \
24 const type test[] __initdata
25
26#define TEST_FAIL(fn, type, fmt, test) \
27{ \
28 unsigned int i; \
29 \
30 for_each_test(i, test) { \
31 const struct test_fail *t = &test[i]; \
32 type tmp; \
33 int rv; \
34 \
35 tmp = 0; \
36 rv = fn(t->str, t->base, &tmp); \
37 if (rv >= 0) { \
38 WARN(1, "str '%s', base %u, expected -E, got %d/" fmt "\n", \
39 t->str, t->base, rv, tmp); \
40 continue; \
41 } \
42 } \
43}
44
45#define TEST_OK(fn, type, fmt, test) \
46{ \
47 unsigned int i; \
48 \
49 for_each_test(i, test) { \
50 const typeof(test[0]) *t = &test[i]; \
51 type res; \
52 int rv; \
53 \
54 rv = fn(t->str, t->base, &res); \
55 if (rv != 0) { \
56 WARN(1, "str '%s', base %u, expected 0/" fmt ", got %d\n", \
57 t->str, t->base, t->expected_res, rv); \
58 continue; \
59 } \
60 if (res != t->expected_res) { \
61 WARN(1, "str '%s', base %u, expected " fmt ", got " fmt "\n", \
62 t->str, t->base, t->expected_res, res); \
63 continue; \
64 } \
65 } \
66}
67
68static void __init test_kstrtoull_ok(void)
69{
70 DECLARE_TEST_OK(unsigned long long, struct test_ull);
71 static DEFINE_TEST_OK(struct test_ull, test_ull_ok) = {
72 {"0", 10, 0ULL},
73 {"1", 10, 1ULL},
74 {"127", 10, 127ULL},
75 {"128", 10, 128ULL},
76 {"129", 10, 129ULL},
77 {"255", 10, 255ULL},
78 {"256", 10, 256ULL},
79 {"257", 10, 257ULL},
80 {"32767", 10, 32767ULL},
81 {"32768", 10, 32768ULL},
82 {"32769", 10, 32769ULL},
83 {"65535", 10, 65535ULL},
84 {"65536", 10, 65536ULL},
85 {"65537", 10, 65537ULL},
86 {"2147483647", 10, 2147483647ULL},
87 {"2147483648", 10, 2147483648ULL},
88 {"2147483649", 10, 2147483649ULL},
89 {"4294967295", 10, 4294967295ULL},
90 {"4294967296", 10, 4294967296ULL},
91 {"4294967297", 10, 4294967297ULL},
92 {"9223372036854775807", 10, 9223372036854775807ULL},
93 {"9223372036854775808", 10, 9223372036854775808ULL},
94 {"9223372036854775809", 10, 9223372036854775809ULL},
95 {"18446744073709551614", 10, 18446744073709551614ULL},
96 {"18446744073709551615", 10, 18446744073709551615ULL},
97
98 {"00", 8, 00ULL},
99 {"01", 8, 01ULL},
100 {"0177", 8, 0177ULL},
101 {"0200", 8, 0200ULL},
102 {"0201", 8, 0201ULL},
103 {"0377", 8, 0377ULL},
104 {"0400", 8, 0400ULL},
105 {"0401", 8, 0401ULL},
106 {"077777", 8, 077777ULL},
107 {"0100000", 8, 0100000ULL},
108 {"0100001", 8, 0100001ULL},
109 {"0177777", 8, 0177777ULL},
110 {"0200000", 8, 0200000ULL},
111 {"0200001", 8, 0200001ULL},
112 {"017777777777", 8, 017777777777ULL},
113 {"020000000000", 8, 020000000000ULL},
114 {"020000000001", 8, 020000000001ULL},
115 {"037777777777", 8, 037777777777ULL},
116 {"040000000000", 8, 040000000000ULL},
117 {"040000000001", 8, 040000000001ULL},
118 {"0777777777777777777777", 8, 0777777777777777777777ULL},
119 {"01000000000000000000000", 8, 01000000000000000000000ULL},
120 {"01000000000000000000001", 8, 01000000000000000000001ULL},
121 {"01777777777777777777776", 8, 01777777777777777777776ULL},
122 {"01777777777777777777777", 8, 01777777777777777777777ULL},
123
124 {"0x0", 16, 0x0ULL},
125 {"0x1", 16, 0x1ULL},
126 {"0x7f", 16, 0x7fULL},
127 {"0x80", 16, 0x80ULL},
128 {"0x81", 16, 0x81ULL},
129 {"0xff", 16, 0xffULL},
130 {"0x100", 16, 0x100ULL},
131 {"0x101", 16, 0x101ULL},
132 {"0x7fff", 16, 0x7fffULL},
133 {"0x8000", 16, 0x8000ULL},
134 {"0x8001", 16, 0x8001ULL},
135 {"0xffff", 16, 0xffffULL},
136 {"0x10000", 16, 0x10000ULL},
137 {"0x10001", 16, 0x10001ULL},
138 {"0x7fffffff", 16, 0x7fffffffULL},
139 {"0x80000000", 16, 0x80000000ULL},
140 {"0x80000001", 16, 0x80000001ULL},
141 {"0xffffffff", 16, 0xffffffffULL},
142 {"0x100000000", 16, 0x100000000ULL},
143 {"0x100000001", 16, 0x100000001ULL},
144 {"0x7fffffffffffffff", 16, 0x7fffffffffffffffULL},
145 {"0x8000000000000000", 16, 0x8000000000000000ULL},
146 {"0x8000000000000001", 16, 0x8000000000000001ULL},
147 {"0xfffffffffffffffe", 16, 0xfffffffffffffffeULL},
148 {"0xffffffffffffffff", 16, 0xffffffffffffffffULL},
149
150 {"0\n", 0, 0ULL},
151 };
152 TEST_OK(kstrtoull, unsigned long long, "%llu", test_ull_ok);
153}
154
155static void __init test_kstrtoull_fail(void)
156{
157 static DEFINE_TEST_FAIL(test_ull_fail) = {
158 {"", 0},
159 {"", 8},
160 {"", 10},
161 {"", 16},
162 {"\n", 0},
163 {"\n", 8},
164 {"\n", 10},
165 {"\n", 16},
166 {"\n0", 0},
167 {"\n0", 8},
168 {"\n0", 10},
169 {"\n0", 16},
170 {"+", 0},
171 {"+", 8},
172 {"+", 10},
173 {"+", 16},
174 {"-", 0},
175 {"-", 8},
176 {"-", 10},
177 {"-", 16},
178 {"0x", 0},
179 {"0x", 16},
180 {"0X", 0},
181 {"0X", 16},
182 {"0 ", 0},
183 {"1+", 0},
184 {"1-", 0},
185 {" 2", 0},
186 /* base autodetection */
187 {"0x0z", 0},
188 {"0z", 0},
189 {"a", 0},
190 /* digit >= base */
191 {"2", 2},
192 {"8", 8},
193 {"a", 10},
194 {"A", 10},
195 {"g", 16},
196 {"G", 16},
197 /* overflow */
198 {"10000000000000000000000000000000000000000000000000000000000000000", 2},
199 {"2000000000000000000000", 8},
200 {"18446744073709551616", 10},
201 {"10000000000000000", 16},
202 /* negative */
203 {"-0", 0},
204 {"-0", 8},
205 {"-0", 10},
206 {"-0", 16},
207 {"-1", 0},
208 {"-1", 8},
209 {"-1", 10},
210 {"-1", 16},
211 /* sign is first character if any */
212 {"-+1", 0},
213 {"-+1", 8},
214 {"-+1", 10},
215 {"-+1", 16},
216 /* nothing after \n */
217 {"0\n0", 0},
218 {"0\n0", 8},
219 {"0\n0", 10},
220 {"0\n0", 16},
221 {"0\n+", 0},
222 {"0\n+", 8},
223 {"0\n+", 10},
224 {"0\n+", 16},
225 {"0\n-", 0},
226 {"0\n-", 8},
227 {"0\n-", 10},
228 {"0\n-", 16},
229 {"0\n ", 0},
230 {"0\n ", 8},
231 {"0\n ", 10},
232 {"0\n ", 16},
233 };
234 TEST_FAIL(kstrtoull, unsigned long long, "%llu", test_ull_fail);
235}
236
237static void __init test_kstrtoll_ok(void)
238{
239 DECLARE_TEST_OK(long long, struct test_ll);
240 static DEFINE_TEST_OK(struct test_ll, test_ll_ok) = {
241 {"0", 10, 0LL},
242 {"1", 10, 1LL},
243 {"127", 10, 127LL},
244 {"128", 10, 128LL},
245 {"129", 10, 129LL},
246 {"255", 10, 255LL},
247 {"256", 10, 256LL},
248 {"257", 10, 257LL},
249 {"32767", 10, 32767LL},
250 {"32768", 10, 32768LL},
251 {"32769", 10, 32769LL},
252 {"65535", 10, 65535LL},
253 {"65536", 10, 65536LL},
254 {"65537", 10, 65537LL},
255 {"2147483647", 10, 2147483647LL},
256 {"2147483648", 10, 2147483648LL},
257 {"2147483649", 10, 2147483649LL},
258 {"4294967295", 10, 4294967295LL},
259 {"4294967296", 10, 4294967296LL},
260 {"4294967297", 10, 4294967297LL},
261 {"9223372036854775807", 10, 9223372036854775807LL},
262
263 {"-1", 10, -1LL},
264 {"-2", 10, -2LL},
265 {"-9223372036854775808", 10, LLONG_MIN},
266 };
267 TEST_OK(kstrtoll, long long, "%lld", test_ll_ok);
268}
269
270static void __init test_kstrtoll_fail(void)
271{
272 static DEFINE_TEST_FAIL(test_ll_fail) = {
273 {"9223372036854775808", 10},
274 {"9223372036854775809", 10},
275 {"18446744073709551614", 10},
276 {"18446744073709551615", 10},
277 {"-9223372036854775809", 10},
278 {"-18446744073709551614", 10},
279 {"-18446744073709551615", 10},
280 /* negative zero isn't an integer in Linux */
281 {"-0", 0},
282 {"-0", 8},
283 {"-0", 10},
284 {"-0", 16},
285 /* sign is first character if any */
286 {"-+1", 0},
287 {"-+1", 8},
288 {"-+1", 10},
289 {"-+1", 16},
290 };
291 TEST_FAIL(kstrtoll, long long, "%lld", test_ll_fail);
292}
293
294static void __init test_kstrtou64_ok(void)
295{
296 DECLARE_TEST_OK(u64, struct test_u64);
297 static DEFINE_TEST_OK(struct test_u64, test_u64_ok) = {
298 {"0", 10, 0},
299 {"1", 10, 1},
300 {"126", 10, 126},
301 {"127", 10, 127},
302 {"128", 10, 128},
303 {"129", 10, 129},
304 {"254", 10, 254},
305 {"255", 10, 255},
306 {"256", 10, 256},
307 {"257", 10, 257},
308 {"32766", 10, 32766},
309 {"32767", 10, 32767},
310 {"32768", 10, 32768},
311 {"32769", 10, 32769},
312 {"65534", 10, 65534},
313 {"65535", 10, 65535},
314 {"65536", 10, 65536},
315 {"65537", 10, 65537},
316 {"2147483646", 10, 2147483646},
317 {"2147483647", 10, 2147483647},
318 {"2147483648", 10, 2147483648},
319 {"2147483649", 10, 2147483649},
320 {"4294967294", 10, 4294967294},
321 {"4294967295", 10, 4294967295},
322 {"4294967296", 10, 4294967296},
323 {"4294967297", 10, 4294967297},
324 {"9223372036854775806", 10, 9223372036854775806ULL},
325 {"9223372036854775807", 10, 9223372036854775807ULL},
326 {"9223372036854775808", 10, 9223372036854775808ULL},
327 {"9223372036854775809", 10, 9223372036854775809ULL},
328 {"18446744073709551614", 10, 18446744073709551614ULL},
329 {"18446744073709551615", 10, 18446744073709551615ULL},
330 };
331 TEST_OK(kstrtou64, u64, "%llu", test_u64_ok);
332}
333
334static void __init test_kstrtou64_fail(void)
335{
336 static DEFINE_TEST_FAIL(test_u64_fail) = {
337 {"-2", 10},
338 {"-1", 10},
339 {"18446744073709551616", 10},
340 {"18446744073709551617", 10},
341 };
342 TEST_FAIL(kstrtou64, u64, "%llu", test_u64_fail);
343}
344
345static void __init test_kstrtos64_ok(void)
346{
347 DECLARE_TEST_OK(s64, struct test_s64);
348 static DEFINE_TEST_OK(struct test_s64, test_s64_ok) = {
349 {"-128", 10, -128},
350 {"-127", 10, -127},
351 {"-1", 10, -1},
352 {"0", 10, 0},
353 {"1", 10, 1},
354 {"126", 10, 126},
355 {"127", 10, 127},
356 {"128", 10, 128},
357 {"129", 10, 129},
358 {"254", 10, 254},
359 {"255", 10, 255},
360 {"256", 10, 256},
361 {"257", 10, 257},
362 {"32766", 10, 32766},
363 {"32767", 10, 32767},
364 {"32768", 10, 32768},
365 {"32769", 10, 32769},
366 {"65534", 10, 65534},
367 {"65535", 10, 65535},
368 {"65536", 10, 65536},
369 {"65537", 10, 65537},
370 {"2147483646", 10, 2147483646},
371 {"2147483647", 10, 2147483647},
372 {"2147483648", 10, 2147483648},
373 {"2147483649", 10, 2147483649},
374 {"4294967294", 10, 4294967294},
375 {"4294967295", 10, 4294967295},
376 {"4294967296", 10, 4294967296},
377 {"4294967297", 10, 4294967297},
378 {"9223372036854775806", 10, 9223372036854775806LL},
379 {"9223372036854775807", 10, 9223372036854775807LL},
380 };
381 TEST_OK(kstrtos64, s64, "%lld", test_s64_ok);
382}
383
384static void __init test_kstrtos64_fail(void)
385{
386 static DEFINE_TEST_FAIL(test_s64_fail) = {
387 {"9223372036854775808", 10},
388 {"9223372036854775809", 10},
389 {"18446744073709551614", 10},
390 {"18446744073709551615", 10},
391 {"18446744073709551616", 10},
392 {"18446744073709551617", 10},
393 };
394 TEST_FAIL(kstrtos64, s64, "%lld", test_s64_fail);
395}
396
397static void __init test_kstrtou32_ok(void)
398{
399 DECLARE_TEST_OK(u32, struct test_u32);
400 static DEFINE_TEST_OK(struct test_u32, test_u32_ok) = {
401 {"0", 10, 0},
402 {"1", 10, 1},
403 {"126", 10, 126},
404 {"127", 10, 127},
405 {"128", 10, 128},
406 {"129", 10, 129},
407 {"254", 10, 254},
408 {"255", 10, 255},
409 {"256", 10, 256},
410 {"257", 10, 257},
411 {"32766", 10, 32766},
412 {"32767", 10, 32767},
413 {"32768", 10, 32768},
414 {"32769", 10, 32769},
415 {"65534", 10, 65534},
416 {"65535", 10, 65535},
417 {"65536", 10, 65536},
418 {"65537", 10, 65537},
419 {"2147483646", 10, 2147483646},
420 {"2147483647", 10, 2147483647},
421 {"2147483648", 10, 2147483648},
422 {"2147483649", 10, 2147483649},
423 {"4294967294", 10, 4294967294},
424 {"4294967295", 10, 4294967295},
425 };
426 TEST_OK(kstrtou32, u32, "%u", test_u32_ok);
427}
428
429static void __init test_kstrtou32_fail(void)
430{
431 static DEFINE_TEST_FAIL(test_u32_fail) = {
432 {"-2", 10},
433 {"-1", 10},
434 {"4294967296", 10},
435 {"4294967297", 10},
436 {"9223372036854775806", 10},
437 {"9223372036854775807", 10},
438 {"9223372036854775808", 10},
439 {"9223372036854775809", 10},
440 {"18446744073709551614", 10},
441 {"18446744073709551615", 10},
442 {"18446744073709551616", 10},
443 {"18446744073709551617", 10},
444 };
445 TEST_FAIL(kstrtou32, u32, "%u", test_u32_fail);
446}
447
448static void __init test_kstrtos32_ok(void)
449{
450 DECLARE_TEST_OK(s32, struct test_s32);
451 static DEFINE_TEST_OK(struct test_s32, test_s32_ok) = {
452 {"-128", 10, -128},
453 {"-127", 10, -127},
454 {"-1", 10, -1},
455 {"0", 10, 0},
456 {"1", 10, 1},
457 {"126", 10, 126},
458 {"127", 10, 127},
459 {"128", 10, 128},
460 {"129", 10, 129},
461 {"254", 10, 254},
462 {"255", 10, 255},
463 {"256", 10, 256},
464 {"257", 10, 257},
465 {"32766", 10, 32766},
466 {"32767", 10, 32767},
467 {"32768", 10, 32768},
468 {"32769", 10, 32769},
469 {"65534", 10, 65534},
470 {"65535", 10, 65535},
471 {"65536", 10, 65536},
472 {"65537", 10, 65537},
473 {"2147483646", 10, 2147483646},
474 {"2147483647", 10, 2147483647},
475 };
476 TEST_OK(kstrtos32, s32, "%d", test_s32_ok);
477}
478
479static void __init test_kstrtos32_fail(void)
480{
481 static DEFINE_TEST_FAIL(test_s32_fail) = {
482 {"2147483648", 10},
483 {"2147483649", 10},
484 {"4294967294", 10},
485 {"4294967295", 10},
486 {"4294967296", 10},
487 {"4294967297", 10},
488 {"9223372036854775806", 10},
489 {"9223372036854775807", 10},
490 {"9223372036854775808", 10},
491 {"9223372036854775809", 10},
492 {"18446744073709551614", 10},
493 {"18446744073709551615", 10},
494 {"18446744073709551616", 10},
495 {"18446744073709551617", 10},
496 };
497 TEST_FAIL(kstrtos32, s32, "%d", test_s32_fail);
498}
499
500static void __init test_kstrtou16_ok(void)
501{
502 DECLARE_TEST_OK(u16, struct test_u16);
503 static DEFINE_TEST_OK(struct test_u16, test_u16_ok) = {
504 {"0", 10, 0},
505 {"1", 10, 1},
506 {"126", 10, 126},
507 {"127", 10, 127},
508 {"128", 10, 128},
509 {"129", 10, 129},
510 {"254", 10, 254},
511 {"255", 10, 255},
512 {"256", 10, 256},
513 {"257", 10, 257},
514 {"32766", 10, 32766},
515 {"32767", 10, 32767},
516 {"32768", 10, 32768},
517 {"32769", 10, 32769},
518 {"65534", 10, 65534},
519 {"65535", 10, 65535},
520 };
521 TEST_OK(kstrtou16, u16, "%hu", test_u16_ok);
522}
523
524static void __init test_kstrtou16_fail(void)
525{
526 static DEFINE_TEST_FAIL(test_u16_fail) = {
527 {"-2", 10},
528 {"-1", 10},
529 {"65536", 10},
530 {"65537", 10},
531 {"2147483646", 10},
532 {"2147483647", 10},
533 {"2147483648", 10},
534 {"2147483649", 10},
535 {"4294967294", 10},
536 {"4294967295", 10},
537 {"4294967296", 10},
538 {"4294967297", 10},
539 {"9223372036854775806", 10},
540 {"9223372036854775807", 10},
541 {"9223372036854775808", 10},
542 {"9223372036854775809", 10},
543 {"18446744073709551614", 10},
544 {"18446744073709551615", 10},
545 {"18446744073709551616", 10},
546 {"18446744073709551617", 10},
547 };
548 TEST_FAIL(kstrtou16, u16, "%hu", test_u16_fail);
549}
550
551static void __init test_kstrtos16_ok(void)
552{
553 DECLARE_TEST_OK(s16, struct test_s16);
554 static DEFINE_TEST_OK(struct test_s16, test_s16_ok) = {
555 {"-130", 10, -130},
556 {"-129", 10, -129},
557 {"-128", 10, -128},
558 {"-127", 10, -127},
559 {"-1", 10, -1},
560 {"0", 10, 0},
561 {"1", 10, 1},
562 {"126", 10, 126},
563 {"127", 10, 127},
564 {"128", 10, 128},
565 {"129", 10, 129},
566 {"254", 10, 254},
567 {"255", 10, 255},
568 {"256", 10, 256},
569 {"257", 10, 257},
570 {"32766", 10, 32766},
571 {"32767", 10, 32767},
572 };
573 TEST_OK(kstrtos16, s16, "%hd", test_s16_ok);
574}
575
576static void __init test_kstrtos16_fail(void)
577{
578 static DEFINE_TEST_FAIL(test_s16_fail) = {
579 {"32768", 10},
580 {"32769", 10},
581 {"65534", 10},
582 {"65535", 10},
583 {"65536", 10},
584 {"65537", 10},
585 {"2147483646", 10},
586 {"2147483647", 10},
587 {"2147483648", 10},
588 {"2147483649", 10},
589 {"4294967294", 10},
590 {"4294967295", 10},
591 {"4294967296", 10},
592 {"4294967297", 10},
593 {"9223372036854775806", 10},
594 {"9223372036854775807", 10},
595 {"9223372036854775808", 10},
596 {"9223372036854775809", 10},
597 {"18446744073709551614", 10},
598 {"18446744073709551615", 10},
599 {"18446744073709551616", 10},
600 {"18446744073709551617", 10},
601 };
602 TEST_FAIL(kstrtos16, s16, "%hd", test_s16_fail);
603}
604
605static void __init test_kstrtou8_ok(void)
606{
607 DECLARE_TEST_OK(u8, struct test_u8);
608 static DEFINE_TEST_OK(struct test_u8, test_u8_ok) = {
609 {"0", 10, 0},
610 {"1", 10, 1},
611 {"126", 10, 126},
612 {"127", 10, 127},
613 {"128", 10, 128},
614 {"129", 10, 129},
615 {"254", 10, 254},
616 {"255", 10, 255},
617 };
618 TEST_OK(kstrtou8, u8, "%hhu", test_u8_ok);
619}
620
621static void __init test_kstrtou8_fail(void)
622{
623 static DEFINE_TEST_FAIL(test_u8_fail) = {
624 {"-2", 10},
625 {"-1", 10},
626 {"256", 10},
627 {"257", 10},
628 {"32766", 10},
629 {"32767", 10},
630 {"32768", 10},
631 {"32769", 10},
632 {"65534", 10},
633 {"65535", 10},
634 {"65536", 10},
635 {"65537", 10},
636 {"2147483646", 10},
637 {"2147483647", 10},
638 {"2147483648", 10},
639 {"2147483649", 10},
640 {"4294967294", 10},
641 {"4294967295", 10},
642 {"4294967296", 10},
643 {"4294967297", 10},
644 {"9223372036854775806", 10},
645 {"9223372036854775807", 10},
646 {"9223372036854775808", 10},
647 {"9223372036854775809", 10},
648 {"18446744073709551614", 10},
649 {"18446744073709551615", 10},
650 {"18446744073709551616", 10},
651 {"18446744073709551617", 10},
652 };
653 TEST_FAIL(kstrtou8, u8, "%hhu", test_u8_fail);
654}
655
656static void __init test_kstrtos8_ok(void)
657{
658 DECLARE_TEST_OK(s8, struct test_s8);
659 static DEFINE_TEST_OK(struct test_s8, test_s8_ok) = {
660 {"-128", 10, -128},
661 {"-127", 10, -127},
662 {"-1", 10, -1},
663 {"0", 10, 0},
664 {"1", 10, 1},
665 {"126", 10, 126},
666 {"127", 10, 127},
667 };
668 TEST_OK(kstrtos8, s8, "%hhd", test_s8_ok);
669}
670
671static void __init test_kstrtos8_fail(void)
672{
673 static DEFINE_TEST_FAIL(test_s8_fail) = {
674 {"-130", 10},
675 {"-129", 10},
676 {"128", 10},
677 {"129", 10},
678 {"254", 10},
679 {"255", 10},
680 {"256", 10},
681 {"257", 10},
682 {"32766", 10},
683 {"32767", 10},
684 {"32768", 10},
685 {"32769", 10},
686 {"65534", 10},
687 {"65535", 10},
688 {"65536", 10},
689 {"65537", 10},
690 {"2147483646", 10},
691 {"2147483647", 10},
692 {"2147483648", 10},
693 {"2147483649", 10},
694 {"4294967294", 10},
695 {"4294967295", 10},
696 {"4294967296", 10},
697 {"4294967297", 10},
698 {"9223372036854775806", 10},
699 {"9223372036854775807", 10},
700 {"9223372036854775808", 10},
701 {"9223372036854775809", 10},
702 {"18446744073709551614", 10},
703 {"18446744073709551615", 10},
704 {"18446744073709551616", 10},
705 {"18446744073709551617", 10},
706 };
707 TEST_FAIL(kstrtos8, s8, "%hhd", test_s8_fail);
708}
709
710static int __init test_kstrtox_init(void)
711{
712 test_kstrtoull_ok();
713 test_kstrtoull_fail();
714 test_kstrtoll_ok();
715 test_kstrtoll_fail();
716
717 test_kstrtou64_ok();
718 test_kstrtou64_fail();
719 test_kstrtos64_ok();
720 test_kstrtos64_fail();
721
722 test_kstrtou32_ok();
723 test_kstrtou32_fail();
724 test_kstrtos32_ok();
725 test_kstrtos32_fail();
726
727 test_kstrtou16_ok();
728 test_kstrtou16_fail();
729 test_kstrtos16_ok();
730 test_kstrtos16_fail();
731
732 test_kstrtou8_ok();
733 test_kstrtou8_fail();
734 test_kstrtos8_ok();
735 test_kstrtos8_fail();
736 return -EINVAL;
737}
738module_init(test_kstrtox_init);
739MODULE_LICENSE("Dual BSD/GPL");
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index d9e01fc3168e..bc0ac6b333dc 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -120,147 +120,6 @@ long long simple_strtoll(const char *cp, char **endp, unsigned int base)
120} 120}
121EXPORT_SYMBOL(simple_strtoll); 121EXPORT_SYMBOL(simple_strtoll);
122 122
123/**
124 * strict_strtoul - convert a string to an unsigned long strictly
125 * @cp: The string to be converted
126 * @base: The number base to use
127 * @res: The converted result value
128 *
129 * strict_strtoul converts a string to an unsigned long only if the
130 * string is really an unsigned long string, any string containing
131 * any invalid char at the tail will be rejected and -EINVAL is returned,
132 * only a newline char at the tail is acceptible because people generally
133 * change a module parameter in the following way:
134 *
135 * echo 1024 > /sys/module/e1000/parameters/copybreak
136 *
137 * echo will append a newline to the tail.
138 *
139 * It returns 0 if conversion is successful and *res is set to the converted
140 * value, otherwise it returns -EINVAL and *res is set to 0.
141 *
142 * simple_strtoul just ignores the successive invalid characters and
143 * return the converted value of prefix part of the string.
144 */
145int strict_strtoul(const char *cp, unsigned int base, unsigned long *res)
146{
147 char *tail;
148 unsigned long val;
149
150 *res = 0;
151 if (!*cp)
152 return -EINVAL;
153
154 val = simple_strtoul(cp, &tail, base);
155 if (tail == cp)
156 return -EINVAL;
157
158 if ((tail[0] == '\0') || (tail[0] == '\n' && tail[1] == '\0')) {
159 *res = val;
160 return 0;
161 }
162
163 return -EINVAL;
164}
165EXPORT_SYMBOL(strict_strtoul);
166
167/**
168 * strict_strtol - convert a string to a long strictly
169 * @cp: The string to be converted
170 * @base: The number base to use
171 * @res: The converted result value
172 *
173 * strict_strtol is similiar to strict_strtoul, but it allows the first
174 * character of a string is '-'.
175 *
176 * It returns 0 if conversion is successful and *res is set to the converted
177 * value, otherwise it returns -EINVAL and *res is set to 0.
178 */
179int strict_strtol(const char *cp, unsigned int base, long *res)
180{
181 int ret;
182 if (*cp == '-') {
183 ret = strict_strtoul(cp + 1, base, (unsigned long *)res);
184 if (!ret)
185 *res = -(*res);
186 } else {
187 ret = strict_strtoul(cp, base, (unsigned long *)res);
188 }
189
190 return ret;
191}
192EXPORT_SYMBOL(strict_strtol);
193
194/**
195 * strict_strtoull - convert a string to an unsigned long long strictly
196 * @cp: The string to be converted
197 * @base: The number base to use
198 * @res: The converted result value
199 *
200 * strict_strtoull converts a string to an unsigned long long only if the
201 * string is really an unsigned long long string, any string containing
202 * any invalid char at the tail will be rejected and -EINVAL is returned,
203 * only a newline char at the tail is acceptible because people generally
204 * change a module parameter in the following way:
205 *
206 * echo 1024 > /sys/module/e1000/parameters/copybreak
207 *
208 * echo will append a newline to the tail of the string.
209 *
210 * It returns 0 if conversion is successful and *res is set to the converted
211 * value, otherwise it returns -EINVAL and *res is set to 0.
212 *
213 * simple_strtoull just ignores the successive invalid characters and
214 * return the converted value of prefix part of the string.
215 */
216int strict_strtoull(const char *cp, unsigned int base, unsigned long long *res)
217{
218 char *tail;
219 unsigned long long val;
220
221 *res = 0;
222 if (!*cp)
223 return -EINVAL;
224
225 val = simple_strtoull(cp, &tail, base);
226 if (tail == cp)
227 return -EINVAL;
228 if ((tail[0] == '\0') || (tail[0] == '\n' && tail[1] == '\0')) {
229 *res = val;
230 return 0;
231 }
232
233 return -EINVAL;
234}
235EXPORT_SYMBOL(strict_strtoull);
236
237/**
238 * strict_strtoll - convert a string to a long long strictly
239 * @cp: The string to be converted
240 * @base: The number base to use
241 * @res: The converted result value
242 *
243 * strict_strtoll is similiar to strict_strtoull, but it allows the first
244 * character of a string is '-'.
245 *
246 * It returns 0 if conversion is successful and *res is set to the converted
247 * value, otherwise it returns -EINVAL and *res is set to 0.
248 */
249int strict_strtoll(const char *cp, unsigned int base, long long *res)
250{
251 int ret;
252 if (*cp == '-') {
253 ret = strict_strtoull(cp + 1, base, (unsigned long long *)res);
254 if (!ret)
255 *res = -(*res);
256 } else {
257 ret = strict_strtoull(cp, base, (unsigned long long *)res);
258 }
259
260 return ret;
261}
262EXPORT_SYMBOL(strict_strtoll);
263
264static noinline_for_stack 123static noinline_for_stack
265int skip_atoi(const char **s) 124int skip_atoi(const char **s)
266{ 125{
@@ -994,7 +853,7 @@ static noinline_for_stack
994char *pointer(const char *fmt, char *buf, char *end, void *ptr, 853char *pointer(const char *fmt, char *buf, char *end, void *ptr,
995 struct printf_spec spec) 854 struct printf_spec spec)
996{ 855{
997 if (!ptr) { 856 if (!ptr && *fmt != 'K') {
998 /* 857 /*
999 * Print (null) with the same width as a pointer so it makes 858 * Print (null) with the same width as a pointer so it makes
1000 * tabular output look nice. 859 * tabular output look nice.
@@ -1051,16 +910,12 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
1051 if (spec.field_width == -1) 910 if (spec.field_width == -1)
1052 spec.field_width = 2 * sizeof(void *); 911 spec.field_width = 2 * sizeof(void *);
1053 return string(buf, end, "pK-error", spec); 912 return string(buf, end, "pK-error", spec);
1054 } else if ((kptr_restrict == 0) ||
1055 (kptr_restrict == 1 &&
1056 has_capability_noaudit(current, CAP_SYSLOG)))
1057 break;
1058
1059 if (spec.field_width == -1) {
1060 spec.field_width = 2 * sizeof(void *);
1061 spec.flags |= ZEROPAD;
1062 } 913 }
1063 return number(buf, end, 0, spec); 914 if (!((kptr_restrict == 0) ||
915 (kptr_restrict == 1 &&
916 has_capability_noaudit(current, CAP_SYSLOG))))
917 ptr = NULL;
918 break;
1064 } 919 }
1065 spec.flags |= SMALL; 920 spec.flags |= SMALL;
1066 if (spec.field_width == -1) { 921 if (spec.field_width == -1) {
diff --git a/lib/zlib_deflate/deflate.c b/lib/zlib_deflate/deflate.c
index 46a31e5f49c3..d63381e8e333 100644
--- a/lib/zlib_deflate/deflate.c
+++ b/lib/zlib_deflate/deflate.c
@@ -176,6 +176,7 @@ int zlib_deflateInit2(
176 deflate_state *s; 176 deflate_state *s;
177 int noheader = 0; 177 int noheader = 0;
178 deflate_workspace *mem; 178 deflate_workspace *mem;
179 char *next;
179 180
180 ush *overlay; 181 ush *overlay;
181 /* We overlay pending_buf and d_buf+l_buf. This works since the average 182 /* We overlay pending_buf and d_buf+l_buf. This works since the average
@@ -199,6 +200,21 @@ int zlib_deflateInit2(
199 strategy < 0 || strategy > Z_HUFFMAN_ONLY) { 200 strategy < 0 || strategy > Z_HUFFMAN_ONLY) {
200 return Z_STREAM_ERROR; 201 return Z_STREAM_ERROR;
201 } 202 }
203
204 /*
205 * Direct the workspace's pointers to the chunks that were allocated
206 * along with the deflate_workspace struct.
207 */
208 next = (char *) mem;
209 next += sizeof(*mem);
210 mem->window_memory = (Byte *) next;
211 next += zlib_deflate_window_memsize(windowBits);
212 mem->prev_memory = (Pos *) next;
213 next += zlib_deflate_prev_memsize(windowBits);
214 mem->head_memory = (Pos *) next;
215 next += zlib_deflate_head_memsize(memLevel);
216 mem->overlay_memory = next;
217
202 s = (deflate_state *) &(mem->deflate_memory); 218 s = (deflate_state *) &(mem->deflate_memory);
203 strm->state = (struct internal_state *)s; 219 strm->state = (struct internal_state *)s;
204 s->strm = strm; 220 s->strm = strm;
@@ -1247,7 +1263,18 @@ static block_state deflate_slow(
1247 return flush == Z_FINISH ? finish_done : block_done; 1263 return flush == Z_FINISH ? finish_done : block_done;
1248} 1264}
1249 1265
1250int zlib_deflate_workspacesize(void) 1266int zlib_deflate_workspacesize(int windowBits, int memLevel)
1251{ 1267{
1252 return sizeof(deflate_workspace); 1268 if (windowBits < 0) /* undocumented feature: suppress zlib header */
1269 windowBits = -windowBits;
1270
1271 /* Since the return value is typically passed to vmalloc() unchecked... */
1272 BUG_ON(memLevel < 1 || memLevel > MAX_MEM_LEVEL || windowBits < 9 ||
1273 windowBits > 15);
1274
1275 return sizeof(deflate_workspace)
1276 + zlib_deflate_window_memsize(windowBits)
1277 + zlib_deflate_prev_memsize(windowBits)
1278 + zlib_deflate_head_memsize(memLevel)
1279 + zlib_deflate_overlay_memsize(memLevel);
1253} 1280}
diff --git a/lib/zlib_deflate/defutil.h b/lib/zlib_deflate/defutil.h
index 6b15a909ca3f..b640b6402e99 100644
--- a/lib/zlib_deflate/defutil.h
+++ b/lib/zlib_deflate/defutil.h
@@ -241,12 +241,21 @@ typedef struct deflate_state {
241typedef struct deflate_workspace { 241typedef struct deflate_workspace {
242 /* State memory for the deflator */ 242 /* State memory for the deflator */
243 deflate_state deflate_memory; 243 deflate_state deflate_memory;
244 Byte window_memory[2 * (1 << MAX_WBITS)]; 244 Byte *window_memory;
245 Pos prev_memory[1 << MAX_WBITS]; 245 Pos *prev_memory;
246 Pos head_memory[1 << (MAX_MEM_LEVEL + 7)]; 246 Pos *head_memory;
247 char overlay_memory[(1 << (MAX_MEM_LEVEL + 6)) * (sizeof(ush)+2)]; 247 char *overlay_memory;
248} deflate_workspace; 248} deflate_workspace;
249 249
250#define zlib_deflate_window_memsize(windowBits) \
251 (2 * (1 << (windowBits)) * sizeof(Byte))
252#define zlib_deflate_prev_memsize(windowBits) \
253 ((1 << (windowBits)) * sizeof(Pos))
254#define zlib_deflate_head_memsize(memLevel) \
255 ((1 << ((memLevel)+7)) * sizeof(Pos))
256#define zlib_deflate_overlay_memsize(memLevel) \
257 ((1 << ((memLevel)+6)) * (sizeof(ush)+2))
258
250/* Output a byte on the stream. 259/* Output a byte on the stream.
251 * IN assertion: there is enough room in pending_buf. 260 * IN assertion: there is enough room in pending_buf.
252 */ 261 */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-28 15:34:53 -0500