[PATCH AUTOSEL 5.1 95/95] net :sunrpc :clnt :Fix xps refcount imbalance on the error path

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From: Lin Yi <teroincn@xxxxxxx>

[ Upstream commit b96226148491505318228ac52624956bd98f9e0c ]

rpc_clnt_add_xprt take a reference to struct rpc_xprt_switch, but forget
to release it before return, may lead to a memory leak.

Signed-off-by: Lin Yi <teroincn@xxxxxxx>
Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 net/sunrpc/clnt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index ea8d5aed1e2c..b3654d3d346f 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2766,6 +2766,7 @@ int rpc_clnt_add_xprt(struct rpc_clnt *clnt,
 	xprt = xprt_iter_xprt(&clnt->cl_xpi);
 	if (xps == NULL || xprt == NULL) {
 		rcu_read_unlock();
+		xprt_switch_put(xps);
 		return -EAGAIN;
 	}
 	resvport = xprt->resvport;
-- 
2.20.1




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