[media] media: pci: meye: set error code on failures

The value of return variable ret is 0 on some error paths, for example,
when pci_resource_start() returns a NULL pointer. 0 means no error in
this context, which is contrary to the fact. This patch fixes the bug.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189011

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Pan Bian 2016-12-04 03:40:06 -02:00 committed by Mauro Carvalho Chehab
parent d54a90c4c1
commit 2ce899423c

View File

@ -1659,6 +1659,7 @@ static int meye_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
goto outenabledev;
}
ret = -EIO;
mchip_adr = pci_resource_start(meye.mchip_dev,0);
if (!mchip_adr) {
v4l2_err(v4l2_dev, "meye: mchip has no device base address\n");