Message ID | 20160504062102.GE22064@mwanda |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Dan Carpenter <dan.carpenter@oracle.com> Date: Wed, 4 May 2016 09:21:02 +0300 > If the fn() calls fail then "buf" is uninitialized. Just return early > in that situation. > > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Applied.
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index c369db9..9af9799 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -99,9 +99,11 @@ static int __must_check __smsc75xx_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;
If the fn() calls fail then "buf" is uninitialized. Just return early in that situation. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>