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usbnet: smsc95xx: silence an uninitialized variable warning 

If the call to fn() fails then "buf" is uninitialized.  Just return the
error code in that case.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2016-05-04 09:22:01 +03:00 committed by David S. Miller
parent 58ef6a3f64
commit 5a36b68b67
1 changed files with 3 additions and 1 deletions
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4
drivers/net/usb/smsc95xx.c
View File

@ -92,9 +92,11 @@ static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
ret = fn(dev, USB_VENDOR_REQUEST_READ_REGISTER, USB_DIR_IN
| USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, index, &buf, 4);
if (unlikely(ret < 0))
if (unlikely(ret < 0)) {
netdev_warn(dev->net, "Failed to read reg index 0x%08x: %d\n",
index, ret);
return ret;
}
le32_to_cpus(&buf);
*data = buf;