From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Thu, 15 Sep 2016 03:25:23 +0000 (+0000)
Subject: scsi: ibmvscsis: Fix error return code in ibmvscsis_probe()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=38247feb60512a52c4f847933f8f931284dc21f4;p=linux-beck.git

scsi: ibmvscsis: Fix error return code in ibmvscsis_probe()

Fix to return error code -ENOMEM from the dma mapping error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index 4dd8e5effddb..38b086ee7d7e 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -3449,6 +3449,7 @@ static int ibmvscsis_probe(struct vio_dev *vdev,
 	vscsi->map_ioba = dma_map_single(&vdev->dev, vscsi->map_buf, PAGE_SIZE,
 					 DMA_BIDIRECTIONAL);
 	if (dma_mapping_error(&vdev->dev, vscsi->map_ioba)) {
+		rc = -ENOMEM;
 		dev_err(&vscsi->dev, "probe: error mapping command buffer\n");
 		goto free_buf;
 	}