linux-kernel - [PATCH 4.11 190/197] pNFS/flexfiles: Check the result of nfs4_pnfs_ds

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Message-Id: <20170523200840.382209960@linuxfoundation.org>
Date:   Tue, 23 May 2017 22:09:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Trond Myklebust <trond.myklebust@...marydata.com>,
        Weston Andros Adamson <dros@...marydata.com>
Subject: [PATCH 4.11 190/197] pNFS/flexfiles: Check the result of nfs4_pnfs_ds_connect

4.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <trond.myklebust@...marydata.com>

commit 260f32adb88dadfaac29f47f761a088238ca164c upstream.

The check in nfs4_ff_layout_prepare_ds() seems to be missing.

Signed-off-by: Trond Myklebust <trond.myklebust@...marydata.com>
Fixes: a33e4b036d461 ("pNFS: return status from nfs4_pnfs_ds_connect")
Cc: Weston Andros Adamson <dros@...marydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/nfs/flexfilelayout/flexfilelayoutdev.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -415,7 +415,7 @@ nfs4_ff_layout_prepare_ds(struct pnfs_la
 			     mirror->mirror_ds->ds_versions[0].minor_version);
 
 	/* connect success, check rsize/wsize limit */
-	if (ds->ds_clp) {
+	if (!status) {
 		max_payload =
 			nfs_block_size(rpc_max_payload(ds->ds_clp->cl_rpcclient),
 				       NULL);