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; \