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authorAl Viro <viro@ftp.linux.org.uk>2006-01-12 04:06:24 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 12:09:02 -0500
commit11c40f8a6ac8bd057043b1f9e7c9490c0e6149f3 (patch)
tree2086869126f3e327f96f41cb3b85a8f4399e2ef1 /include/asm-m68k/uaccess.h
parentad9ec4f8de264903c6b5ba7ae8d8e96432188858 (diff)
[PATCH] m68k: basic __user annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-m68k/uaccess.h')
-rw-r--r--include/asm-m68k/uaccess.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/include/asm-m68k/uaccess.h b/include/asm-m68k/uaccess.h
index f5cedf19cf68..a653bf80b848 100644
--- a/include/asm-m68k/uaccess.h
+++ b/include/asm-m68k/uaccess.h
@@ -42,6 +42,7 @@ struct exception_table_entry
42({ \ 42({ \
43 int __pu_err; \ 43 int __pu_err; \
44 typeof(*(ptr)) __pu_val = (x); \ 44 typeof(*(ptr)) __pu_val = (x); \
45 __chk_user_ptr(ptr); \
45 switch (sizeof (*(ptr))) { \ 46 switch (sizeof (*(ptr))) { \
46 case 1: \ 47 case 1: \
47 __put_user_asm(__pu_err, __pu_val, ptr, b); \ 48 __put_user_asm(__pu_err, __pu_val, ptr, b); \
@@ -91,6 +92,7 @@ __asm__ __volatile__ \
91({ \ 92({ \
92 int __gu_err; \ 93 int __gu_err; \
93 typeof(*(ptr)) __gu_val; \ 94 typeof(*(ptr)) __gu_val; \
95 __chk_user_ptr(ptr); \
94 switch (sizeof(*(ptr))) { \ 96 switch (sizeof(*(ptr))) { \
95 case 1: \ 97 case 1: \
96 __get_user_asm(__gu_err, __gu_val, ptr, b, "=d"); \ 98 __get_user_asm(__gu_err, __gu_val, ptr, b, "=d"); \
@@ -105,7 +107,7 @@ __asm__ __volatile__ \
105 __gu_err = __constant_copy_from_user(&__gu_val, ptr, 8); \ 107 __gu_err = __constant_copy_from_user(&__gu_val, ptr, 8); \
106 break; \ 108 break; \
107 default: \ 109 default: \
108 __gu_val = 0; \ 110 __gu_val = (typeof(*(ptr)))0; \
109 __gu_err = __get_user_bad(); \ 111 __gu_err = __get_user_bad(); \
110 break; \ 112 break; \
111 } \ 113 } \
@@ -134,7 +136,7 @@ __asm__ __volatile__ \
134 : "m"(*(ptr)), "i" (-EFAULT), "0"(0)) 136 : "m"(*(ptr)), "i" (-EFAULT), "0"(0))
135 137
136static inline unsigned long 138static inline unsigned long
137__generic_copy_from_user(void *to, const void *from, unsigned long n) 139__generic_copy_from_user(void *to, const void __user *from, unsigned long n)
138{ 140{
139 unsigned long tmp; 141 unsigned long tmp;
140 __asm__ __volatile__ 142 __asm__ __volatile__
@@ -189,7 +191,7 @@ __generic_copy_from_user(void *to, const void *from, unsigned long n)
189} 191}
190 192
191static inline unsigned long 193static inline unsigned long
192__generic_copy_to_user(void *to, const void *from, unsigned long n) 194__generic_copy_to_user(void __user *to, const void *from, unsigned long n)
193{ 195{
194 unsigned long tmp; 196 unsigned long tmp;
195 __asm__ __volatile__ 197 __asm__ __volatile__
@@ -264,7 +266,7 @@ __generic_copy_to_user(void *to, const void *from, unsigned long n)
264 : "d0", "memory") 266 : "d0", "memory")
265 267
266static inline unsigned long 268static inline unsigned long
267__constant_copy_from_user(void *to, const void *from, unsigned long n) 269__constant_copy_from_user(void *to, const void __user *from, unsigned long n)
268{ 270{
269 switch (n) { 271 switch (n) {
270 case 0: 272 case 0:
@@ -520,7 +522,7 @@ __constant_copy_from_user(void *to, const void *from, unsigned long n)
520#define __copy_from_user_inatomic __copy_from_user 522#define __copy_from_user_inatomic __copy_from_user
521 523
522static inline unsigned long 524static inline unsigned long
523__constant_copy_to_user(void *to, const void *from, unsigned long n) 525__constant_copy_to_user(void __user *to, const void *from, unsigned long n)
524{ 526{
525 switch (n) { 527 switch (n) {
526 case 0: 528 case 0:
@@ -766,7 +768,7 @@ __constant_copy_to_user(void *to, const void *from, unsigned long n)
766 */ 768 */
767 769
768static inline long 770static inline long
769strncpy_from_user(char *dst, const char *src, long count) 771strncpy_from_user(char *dst, const char __user *src, long count)
770{ 772{
771 long res; 773 long res;
772 if (count == 0) return count; 774 if (count == 0) return count;
@@ -799,7 +801,7 @@ strncpy_from_user(char *dst, const char *src, long count)
799 * 801 *
800 * Return 0 on exception, a value greater than N if too long 802 * Return 0 on exception, a value greater than N if too long
801 */ 803 */
802static inline long strnlen_user(const char *src, long n) 804static inline long strnlen_user(const char __user *src, long n)
803{ 805{
804 long res; 806 long res;
805 807
@@ -842,7 +844,7 @@ static inline long strnlen_user(const char *src, long n)
842 */ 844 */
843 845
844static inline unsigned long 846static inline unsigned long
845clear_user(void *to, unsigned long n) 847clear_user(void __user *to, unsigned long n)
846{ 848{
847 __asm__ __volatile__ 849 __asm__ __volatile__
848 (" tstl %1\n" 850 (" tstl %1\n"