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authorHerbert Xu <herbert@gondor.apana.org.au>2006-01-23 16:32:45 -0800
committerDavid S. Miller <davem@davemloft.net>2006-01-23 16:32:45 -0800
commit8798b3fb714477f5c88dde102c149d2b3e1d8def (patch)
tree4ee82ec531a9c49b574ec03f2aa44128600bf494 /net/core
parent40727198bfb2ce5842a6e8c7f89cf8a40ff7bf14 (diff)
downloadop-kernel-dev-8798b3fb714477f5c88dde102c149d2b3e1d8def.zip
op-kernel-dev-8798b3fb714477f5c88dde102c149d2b3e1d8def.tar.gz
[NET]: Fix skb fclone error path handling.
On the error path if we allocated an fclone then we will free it in the wrong pool. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/skbuff.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index d0732e9..6766f11 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -135,13 +135,15 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here)
struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
int fclone)
{
+ kmem_cache_t *cache;
struct skb_shared_info *shinfo;
struct sk_buff *skb;
u8 *data;
+ cache = fclone ? skbuff_fclone_cache : skbuff_head_cache;
+
/* Get the HEAD */
- skb = kmem_cache_alloc(fclone ? skbuff_fclone_cache : skbuff_head_cache,
- gfp_mask & ~__GFP_DMA);
+ skb = kmem_cache_alloc(cache, gfp_mask & ~__GFP_DMA);
if (!skb)
goto out;
@@ -180,7 +182,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
out:
return skb;
nodata:
- kmem_cache_free(skbuff_head_cache, skb);
+ kmem_cache_free(cache, skb);
skb = NULL;
goto out;
}
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