5 files changed, 29 insertions, 20 deletions

diff --git a/lib/Kconfig b/lib/Kconfig
index d69d321a0997..028aba9e72af 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -19,6 +19,9 @@ config RATIONAL
 config GENERIC_FIND_FIRST_BIT
         bool
 
+config NO_GENERIC_PCI_IOPORT_MAP
+        bool
+
 config GENERIC_PCI_IOMAP
         bool
 
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 77cb245f8e7b..0ab9ae8057f0 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -818,17 +818,9 @@ static int __init fixup_activate(void *addr, enum debug_obj_state state)
                 if (obj->static_init == 1) {
                         debug_object_init(obj, &descr_type_test);
                         debug_object_activate(obj, &descr_type_test);
-                        /*
-                         * Real code should return 0 here ! This is
-                         * not a fixup of some bad behaviour. We
-                         * merily call the debug_init function to keep
-                         * track of the object.
-                         */
-                        return 1;
-                } else {
-                        /* Real code needs to emit a warning here */
+                        return 0;
                 }
-                return 0;
+                return 1;
 
         case ODEBUG_STATE_ACTIVE:
                 debug_object_deactivate(obj, &descr_type_test);
@@ -967,7 +959,7 @@ static void __init debug_objects_selftest(void)
 
         obj.static_init = 1;
         debug_object_activate(&obj, &descr_type_test);
-        if (check_results(&obj, ODEBUG_STATE_ACTIVE, ++fixups, warnings))
+        if (check_results(&obj, ODEBUG_STATE_ACTIVE, fixups, warnings))
                 goto out;
         debug_object_init(&obj, &descr_type_test);
         if (check_results(&obj, ODEBUG_STATE_INIT, ++fixups, ++warnings))
diff --git a/lib/kstrtox.c b/lib/kstrtox.c
index 7a94c8f14e29..b1dd3e7d88cb 100644
--- a/lib/kstrtox.c
+++ b/lib/kstrtox.c
@@ -44,12 +44,13 @@ const char *_parse_integer_fixup_radix(const char *s, unsigned int *base)
  *
  * Don't you dare use this function.
  */
-unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long *res)
+unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long *p)
 {
+        unsigned long long res;
         unsigned int rv;
         int overflow;
 
-        *res = 0;
+        res = 0;
         rv = 0;
         overflow = 0;
         while (*s) {
@@ -64,12 +65,19 @@ unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long
 
                 if (val >= base)
                         break;
-                if (*res > div_u64(ULLONG_MAX - val, base))
-                        overflow = 1;
-                *res = *res * base + val;
+                /*
+                 * Check for overflow only if we are within range of
+                 * it in the max base we support (16)
+                 */
+                if (unlikely(res & (~0ull << 60))) {
+                        if (res > div_u64(ULLONG_MAX - val, base))
+                                overflow = 1;
+                }
+                res = res * base + val;
                 rv++;
                 s++;
         }
+        *p = res;
         if (overflow)
                 rv |= KSTRTOX_OVERFLOW;
         return rv;
diff --git a/lib/pci_iomap.c b/lib/pci_iomap.c
index 4b0fdc22e688..0d83ea8a9605 100644
--- a/lib/pci_iomap.c
+++ b/lib/pci_iomap.c
@@ -34,7 +34,7 @@ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
         if (maxlen && len > maxlen)
                 len = maxlen;
         if (flags & IORESOURCE_IO)
-                return ioport_map(start, len);
+                return __pci_ioport_map(dev, start, len);
         if (flags & IORESOURCE_MEM) {
                 if (flags & IORESOURCE_CACHEABLE)
                         return ioremap(start, len);
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 8e75003d62f6..38e612e66da5 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -891,9 +891,15 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
         case 'U':
                 return uuid_string(buf, end, ptr, spec, fmt);
         case 'V':
-                return buf + vsnprintf(buf, end > buf ? end - buf : 0,
-                                       ((struct va_format *)ptr)->fmt,
-                                       *(((struct va_format *)ptr)->va));
+                {
+                        va_list va;
+
+                        va_copy(va, *((struct va_format *)ptr)->va);
+                        buf += vsnprintf(buf, end > buf ? end - buf : 0,
+                                         ((struct va_format *)ptr)->fmt, va);
+                        va_end(va);
+                        return buf;
+                }
         case 'K':
                 /*
                  * %pK cannot be used in IRQ context because its test