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 4dd8e5e..38b086e 100644 (file)
--- 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;
        }