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From: Trond Myklebust <trond.myklebust@primarydata.com>
To: linux-nfs@vger.kernel.org
Subject: [PATCH 1/6] NFSv4.x: Fix a refcount leak in nfs_callback_up_net
Date: Mon, 29 Aug 2016 20:03:47 -0400	[thread overview]
Message-ID: <1472515432-54202-2-git-send-email-trond.myklebust@primarydata.com> (raw)
In-Reply-To: <1472515432-54202-1-git-send-email-trond.myklebust@primarydata.com>

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 a7f2e6e33305..52a28311e2a4 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;
-- 
2.7.4


  reply	other threads:[~2016-08-30  0:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-30  0:03 [PATCH 0/6] NFSv4 backchannel improvements Trond Myklebust
2016-08-30  0:03 ` Trond Myklebust [this message]
2016-08-30  0:03   ` [PATCH 2/6] NFSv4.x: Set up struct svc_serv_ops for the callback channel Trond Myklebust
2016-08-30  0:03     ` [PATCH 3/6] SUNRPC: Initialise struct svc_serv backchannel fields during __svc_create() Trond Myklebust
2016-08-30  0:03       ` [PATCH 4/6] NFSv4.x: Fix up the global tracking of the callback server Trond Myklebust
2016-08-30  0:03         ` [PATCH 5/6] NFSv4.x: Switch to using svc_set_num_threads() to manage the callback threads Trond Myklebust
2016-08-30  0:03           ` [PATCH 6/6] NFSv4.x: Add kernel parameter to control the callback server Trond Myklebust

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