From 72150e9b7fec217fbd646a29ea2f65a3d4d55ea9 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Sat, 6 Mar 2010 01:04:45 +0000 Subject: [PATCH] sock.c: potential null dereference We test that "prot->rsk_prot" is non-null right before we dereference it on this line. Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller --- net/core/sock.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/core/sock.c b/net/core/sock.c index 61a65a2e0455..c5812bbc2cc9 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2288,7 +2288,8 @@ out_free_request_sock_slab: prot->rsk_prot->slab = NULL; } out_free_request_sock_slab_name: - kfree(prot->rsk_prot->slab_name); + if (prot->rsk_prot) + kfree(prot->rsk_prot->slab_name); out_free_sock_slab: kmem_cache_destroy(prot->slab); prot->slab = NULL; -- 2.20.1