Commit 46c0ef6e authored Mar 16, 2018 by Taehee Yoo Committed by Steffen Klassert Mar 16, 2018

xfrm: fix rcu_read_unlock usage in xfrm_local_error



In the xfrm_local_error, rcu_read_unlock should be called when afinfo
is not NULL. because xfrm_state_get_afinfo calls rcu_read_unlock
if afinfo is NULL.

Fixes: af5d27c4 ("xfrm: remove xfrm_state_put_afinfo")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

parent 51d4740f

net/xfrm/xfrm_output.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -285,8 +285,9 @@ void xfrm_local_error(struct sk_buff *skb, int mtu)
		return;

		afinfo = xfrm_state_get_afinfo(proto);
		if (afinfo)
		if (afinfo) {
		afinfo->local_error(skb, mtu);
		rcu_read_unlock();
		}
		}
		EXPORT_SYMBOL_GPL(xfrm_local_error);