From: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Date: Thu, 24 Aug 2017 14:31:24 +0000 (+0200)
Subject: tipc: context imbalance at node read unlock
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=991ca84daa001193066554fa49f3a934746317d6;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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;
 }