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| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2016-05-04 09:21:02 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-05-04 16:58:56 -0400 |
| commit | 58ef6a3f64bd837e107a2bbf0571574850a32b8c (patch) | |
| tree | 786af91757a76e41fbe6554bef09f4602f856d31 /drivers/net/usb | |
| parent | tcp: must block bh in __inet_twsk_hashdance() (diff) | |
| download | linux-dev-58ef6a3f64bd837e107a2bbf0571574850a32b8c.tar.xz linux-dev-58ef6a3f64bd837e107a2bbf0571574850a32b8c.zip | |
usbnet/smsc75xx: silence uninitialized variable warning
If the fn() calls fail then "buf" is uninitialized. Just return early
in that situation.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
| -rw-r--r-- | drivers/net/usb/smsc75xx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index c369db99c005..9af9799935db 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; |