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[PATCH 4.4 045/342] tipc: unlock in error path

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  [PATCH 4.4 045/342] tipc: unlock in error path Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-03-02 02:40 +0100

#1347494 — [PATCH 4.4 045/342] tipc: unlock in error path

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Insu Yun <wuninsu@gmail.com>

[ Upstream commit b53ce3e7d407aa4196877a48b8601181162ab158 ]

tipc_bcast_unlock need to be unlocked in error path.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/tipc/bcast.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -399,8 +399,10 @@ int tipc_nl_add_bc_link(struct net *net,
 
 	hdr = genlmsg_put(msg->skb, msg->portid, msg->seq, &tipc_genl_family,
 			  NLM_F_MULTI, TIPC_NL_LINK_GET);
-	if (!hdr)
+	if (!hdr) {
+		tipc_bcast_unlock(net);
 		return -EMSGSIZE;
+	}
 
 	attrs = nla_nest_start(msg->skb, TIPC_NLA_LINK);
 	if (!attrs)

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