netdev - [PATCH net v1 3/3] tipc: context imbalance at node read unlock

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Date:   Thu, 24 Aug 2017 16:31:24 +0200
From:   Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@...csson.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <tipc-discussion@...ts.sourceforge.net>,
        <jon.maloy@...csson.com>, <maloy@...jonn.com>,
        <ying.xue@...driver.com>
Subject: [PATCH net v1 3/3] tipc: context imbalance at node read unlock

If we fail to find a valid bearer in tipc_node_get_linkname(),
node_read_unlock() is called without holding the node read lock.

This commit fixes this error.

Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@...csson.com>
---
 net/tipc/node.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/tipc/node.c b/net/tipc/node.c
index b113a52f8914..7dd22330a6b4 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1126,8 +1126,8 @@ int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 addr,
 		strncpy(linkname, tipc_link_name(link), len);
 		err = 0;
 	}
-exit:
 	tipc_node_read_unlock(node);
+exit:
 	tipc_node_put(node);
 	return err;
 }
-- 
2.1.4