[PATCH 24/36] netfilter: conntrack: __nf_ct_l4proto_find() always returns valid pointer
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STALE3823d
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2016-05-09 18:47:28
Also in:
netfilter-devel
Subsystem:
netfilter, networking [general], the rest · Maintainers:
Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Remove unnecessary check for non-nul pointer in destroy_conntrack() given that __nf_ct_l4proto_find() returns the generic protocol tracker if the protocol is not supported. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> --- net/netfilter/nf_conntrack_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index e3787cf..f72ede1 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c@@ -363,7 +363,7 @@ destroy_conntrack(struct nf_conntrack *nfct) } rcu_read_lock(); l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct)); - if (l4proto && l4proto->destroy) + if (l4proto->destroy) l4proto->destroy(ct); rcu_read_unlock();
--
2.1.4