[PATCH] scsi: wd719x: fix error return code of wd719x_pci_probe()

[Jia-Ju Bai]

When dma_set_mask() or pci_iomap() fails, no error return code of 
wd719x_pci_probe() is assigned.
To fix this bug, err is assigned with -EIO as error return code.

Reported-by: TOTE Robot <os...@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com>
---
 drivers/scsi/wd719x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/wd719x.c b/drivers/scsi/wd719x.c
index edc8a139a60d..a334e3c9de45 100644
--- a/drivers/scsi/wd719x.c
+++ b/drivers/scsi/wd719x.c
@@ -902,6 +902,7 @@ static int wd719x_pci_probe(struct pci_dev *pdev, const 
struct pci_device_id *d)
        if (err)
                goto fail;
 
+       err = -EIO;
        if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
                dev_warn(&pdev->dev, "Unable to set 32-bit DMA mask\n");
                goto disable_device;
@@ -922,6 +923,7 @@ static int wd719x_pci_probe(struct pci_dev *pdev, const 
struct pci_device_id *d)
                goto release_region;
 
        wd = shost_priv(sh);
+       err = -EIO;
        wd->base = pci_iomap(pdev, 0, 0);
        if (!wd->base)
                goto free_host;
-- 
2.17.1