diff options
| author | Patrick McHardy <kaber@trash.net> | 2010-04-20 16:02:01 +0200 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-04-20 16:02:01 +0200 |
| commit | 62910554656cdcd6b6f84a5154c4155aae4ca231 (patch) | |
| tree | dcf14004f6fd2ef7154362ff948bfeba0f3ea92d /mm/slab.c | |
| parent | 22265a5c3c103cf8c50be62e6c90d045eb649e6d (diff) | |
| parent | ab9304717f7624c41927f442e6b6d418b2d8b3e4 (diff) | |
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
net/ipv6/netfilter/ip6t_REJECT.c
net/netfilter/xt_limit.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/mm/slab.c b/mm/slab.c index a9f325b28be..bac0f4fcc21 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3602,21 +3602,10 @@ EXPORT_SYMBOL(kmem_cache_alloc_notrace); */ int kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr) { - unsigned long addr = (unsigned long)ptr; - unsigned long min_addr = PAGE_OFFSET; - unsigned long align_mask = BYTES_PER_WORD - 1; unsigned long size = cachep->buffer_size; struct page *page; - if (unlikely(addr < min_addr)) - goto out; - if (unlikely(addr > (unsigned long)high_memory - size)) - goto out; - if (unlikely(addr & align_mask)) - goto out; - if (unlikely(!kern_addr_valid(addr))) - goto out; - if (unlikely(!kern_addr_valid(addr + size - 1))) + if (unlikely(!kern_ptr_validate(ptr, size))) goto out; page = virt_to_page(ptr); if (unlikely(!PageSlab(page))) |