summaryrefslogtreecommitdiff
path: root/include/linux/slab_def.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/slab_def.h')
-rw-r--r--include/linux/slab_def.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 365d036c454a..16e814ffab8d 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -32,6 +32,10 @@ static inline void *kmalloc(size_t size, gfp_t flags)
{
if (__builtin_constant_p(size)) {
int i = 0;
+
+ if (!size)
+ return ZERO_SIZE_PTR;
+
#define CACHE(x) \
if (size <= x) \
goto found; \
@@ -58,6 +62,10 @@ static inline void *kzalloc(size_t size, gfp_t flags)
{
if (__builtin_constant_p(size)) {
int i = 0;
+
+ if (!size)
+ return ZERO_SIZE_PTR;
+
#define CACHE(x) \
if (size <= x) \
goto found; \
@@ -88,6 +96,10 @@ static inline void *kmalloc_node(size_t size, gfp_t flags, int node)
{
if (__builtin_constant_p(size)) {
int i = 0;
+
+ if (!size)
+ return ZERO_SIZE_PTR;
+
#define CACHE(x) \
if (size <= x) \
goto found; \