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| author | Vegard Nossum <vegard.nossum@gmail.com> | 2008-08-30 12:16:35 +0200 |
|---|---|---|
| committer | Vegard Nossum <vegard.nossum@gmail.com> | 2009-06-15 15:49:25 +0200 |
| commit | fe55f6d5c0cfec4a710ef6ff63f162b99d5f7842 (patch) | |
| tree | 4c4f0960d7355647e67f62e30e10c9215c123b65 /net/core | |
| parent | fc7d0c9f2122e8bf58deaf1252b0e750df5b0e91 (diff) | |
| download | lwn-fe55f6d5c0cfec4a710ef6ff63f162b99d5f7842.tar.gz lwn-fe55f6d5c0cfec4a710ef6ff63f162b99d5f7842.zip | |
net: use kmemcheck bitfields API for skbuff
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/skbuff.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index c2e4fb8f3546..f0c4c6ad774b 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -39,6 +39,7 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> +#include <linux/kmemcheck.h> #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/in.h> @@ -201,6 +202,8 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, skb->data = data; skb_reset_tail_pointer(skb); skb->end = skb->tail + size; + kmemcheck_annotate_bitfield(skb, flags1); + kmemcheck_annotate_bitfield(skb, flags2); /* make sure we initialize shinfo sequentially */ shinfo = skb_shinfo(skb); atomic_set(&shinfo->dataref, 1); @@ -217,6 +220,8 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, struct sk_buff *child = skb + 1; atomic_t *fclone_ref = (atomic_t *) (child + 1); + kmemcheck_annotate_bitfield(child, flags1); + kmemcheck_annotate_bitfield(child, flags2); skb->fclone = SKB_FCLONE_ORIG; atomic_set(fclone_ref, 1); @@ -633,6 +638,9 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) n = kmem_cache_alloc(skbuff_head_cache, gfp_mask); if (!n) return NULL; + + kmemcheck_annotate_bitfield(n, flags1); + kmemcheck_annotate_bitfield(n, flags2); n->fclone = SKB_FCLONE_UNAVAILABLE; } |