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sock.c: potential null dereference

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We test that "prot->rsk_prot" is non-null right before we dereference it
on this line.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2010-03-06 01:04:45 +00:00 committed by David S. Miller
parent ea3fb371b2
commit 72150e9b7f
1 changed files with 2 additions and 1 deletions
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net/core/sock.c
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@ -2288,6 +2288,7 @@ int proto_register(struct proto *prot, int alloc_slab)
prot->rsk_prot->slab = NULL;
}
out_free_request_sock_slab_name:
if (prot->rsk_prot)
kfree(prot->rsk_prot->slab_name);
out_free_sock_slab:
kmem_cache_destroy(prot->slab);