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Commit 404cbeb3 authored by Taehee Yoo's avatar Taehee Yoo Committed by Greg Kroah-Hartman
Browse files

xfrm: fix rcu_read_unlock usage in xfrm_local_error 



[ Upstream commit 46c0ef6e1eb95f619d9f62da4332749153db92f7 ]

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: default avatarTaehee Yoo <ap420073@gmail.com>
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 942138f3

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);