From 98b0f80c2396224bbbed81792b526e6c72ba9efa Mon Sep 17 00:00:00 2001
From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Mon, 29 Aug 2016 11:15:36 -0400
Subject: [PATCH] NFSv4.x: Fix a refcount leak in nfs_callback_up_net
On error, the callers expect us to return without bumping
nn->cb_users[].
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: stable@vger.kernel.org # v3.7+
---
fs/nfs/callback.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index a7f2e6e333052..52a28311e2a4b 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -275,6 +275,7 @@ static int nfs_callback_up_net(int minorversion, struct svc_serv *serv,
err_socks:
svc_rpcb_cleanup(serv, net);
err_bind:
+ nn->cb_users[minorversion]--;
dprintk("NFS: Couldn't create callback socket: err = %d; "
"net = %p\n", ret, net);
return ret;
--
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