From 58ef6a3f64bd837e107a2bbf0571574850a32b8c Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 4 May 2016 09:21:02 +0300 Subject: 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 Signed-off-by: David S. Miller --- drivers/net/usb/smsc75xx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/net/usb') 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; -- cgit v1.2.3-59-g8ed1b