linux-kernel - [PATCH] scsi: storvsc: missing error code in storvsc

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Date:   Thu,  8 Feb 2018 16:50:40 -0700
From:   Long Li <longli@...hange.microsoft.com>
To:     "K . Y . Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "James E . J . Bottomley" <JBottomley@...n.com>,
        devel@...uxdriverproject.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Long Li <longli@...rosoft.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>
Subject: [PATCH] scsi: storvsc: missing error code in storvsc_probe()

From: Long Li <longli@...rosoft.com>

This patch backports upstream commit ca8dc694045e9aa248e9916e0f614deb0494cb3d
for 4.14-stable.

commit ca8dc694045e9aa248e9916e0f614deb0494cb3d:

We should set the error code if fc_remote_port_add() fails.

Cc: <stable@...r.kernel.org> #v4.12+
Fixes: daf0cd445a21 ("scsi: storvsc: Add support for FC rport.")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Reviewed-by: Cathy Avery <cavery@...hat.com>
Acked-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>

Signed-off-by: Long Li <longli@...rosoft.com>
---
 drivers/scsi/storvsc_drv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 5e7200f..c17ccb9 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1826,8 +1826,10 @@ static int storvsc_probe(struct hv_device *device,
 		fc_host_node_name(host) = stor_device->node_name;
 		fc_host_port_name(host) = stor_device->port_name;
 		stor_device->rport = fc_remote_port_add(host, 0, &ids);
-		if (!stor_device->rport)
+		if (!stor_device->rport) {
+			ret = -ENOMEM;
 			goto err_out3;
+		}
 	}
 #endif
 	return 0;
-- 
2.7.4