[PATCH AUTOSEL 5.1 95/95] net :sunrpc :clnt :Fix xps refcount imbalance on the error path
From: Sasha Levin <sashal@kernel.org>
Date: 2019-06-27 00:35:36
Also in:
linux-nfs, lkml, stable
Subsystem:
kernel nfsd, sunrpc, and lockd servers, networking [general], nfs, sunrpc, and lockd clients, the rest · Maintainers:
Chuck Lever, Jeff Layton, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Trond Myklebust, Anna Schumaker, Linus Torvalds
From: Lin Yi <redacted> [ 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 <redacted> Signed-off-by: Anna Schumaker <redacted> 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 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