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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-26 19:21:26 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-26 19:21:26 +0200 |
| commit | 1434b65731963207a4cc84bd87e6191e34321986 (patch) | |
| tree | 07f58551b451675c2f85ebe88e5feb8971577d78 | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.26 (diff) | |
| parent | slub: ksize() abuse checks (diff) | |
| download | linux-1434b65731963207a4cc84bd87e6191e34321986.tar.xz linux-1434b65731963207a4cc84bd87e6191e34321986.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
slub: ksize() abuse checks
slob: Fix to return wrong pointer
| -rw-r--r-- | mm/slob.c | 5 | ||||
| -rw-r--r-- | mm/slub.c | 5 |
2 files changed, 6 insertions, 4 deletions
diff --git a/mm/slob.c b/mm/slob.c index 6038cbadf796..a3ad6671adf1 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -469,8 +469,9 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node) return ZERO_SIZE_PTR; m = slob_alloc(size + align, gfp, align, node); - if (m) - *m = size; + if (!m) + return NULL; + *m = size; return (void *)m + align; } else { void *ret; diff --git a/mm/slub.c b/mm/slub.c index a505a828ef41..0987d1cd943c 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2726,9 +2726,10 @@ size_t ksize(const void *object) page = virt_to_head_page(object); - if (unlikely(!PageSlab(page))) + if (unlikely(!PageSlab(page))) { + WARN_ON(!PageCompound(page)); return PAGE_SIZE << compound_order(page); - + } s = page->slab; #ifdef CONFIG_SLUB_DEBUG |