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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Dan Carpenter <dan.carpenter@oracle.com>,
        Cathy Avery <cavery@redhat.com>,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>
Subject: [PATCH 4.15 26/55] scsi: storvsc: missing error code in storvsc_probe()
Date:   Fri,  2 Feb 2018 17:58:44 +0100
Message-Id: <20180202140828.920638248@linuxfoundation.org>
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4.15-stable review patch.  If anyone has any objections, please let me know.

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

From: Dan Carpenter <dan.carpenter@oracle.com>

commit ca8dc694045e9aa248e9916e0f614deb0494cb3d upstream.

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

Fixes: daf0cd445a21 ("scsi: storvsc: Add support for FC rport.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Cathy Avery <cavery@redhat.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/scsi/storvsc_drv.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1834,8 +1834,10 @@ static int storvsc_probe(struct hv_devic
 		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_out4;
+		}
 	}
 #endif
 	return 0;