diff options
Diffstat (limited to 'mm/util.c')
| -rw-r--r-- | mm/util.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/util.c b/mm/util.c index bf340d806868..5f64026cbb4d 100644 --- a/mm/util.c +++ b/mm/util.c @@ -81,14 +81,16 @@ EXPORT_SYMBOL(kmemdup); void *krealloc(const void *p, size_t new_size, gfp_t flags) { void *ret; - size_t ks; + size_t ks = 0; if (unlikely(!new_size)) { kfree(p); return ZERO_SIZE_PTR; } - ks = ksize(p); + if (p) + ks = ksize(p); + if (ks >= new_size) return (void *)p; |