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Subject[PATCH 4.19 55/91] net :sunrpc :clnt :Fix xps refcount imbalance on the error path
Date
[ 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@163.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/sunrpc/clnt.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 7e4553dbc3c7..0d7d149b1b1b 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2713,6 +2713,7 @@ 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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