From 3ed58f96a70b85ef646d5427258f677f1395b62f Mon Sep 17 00:00:00 2001 From: Andre Edich Date: Mon, 6 Jul 2020 10:39:35 +0200 Subject: smsc95xx: avoid memory leak in smsc95xx_bind In a case where the ID_REV register read is failed, the memory for a private data structure has to be freed before returning error from the function smsc95xx_bind. Fixes: bbd9f9ee69242 ("smsc95xx: add wol support for more frame types") Signed-off-by: Andre Edich Signed-off-by: Parthiban Veerasooran Signed-off-by: David S. Miller --- drivers/net/usb/smsc95xx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/usb/smsc95xx.c') diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index eb404bb74e18..bb4ccbda031a 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1293,7 +1293,8 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) /* detect device revision as different features may be available */ ret = smsc95xx_read_reg(dev, ID_REV, &val); if (ret < 0) - return ret; + goto free_pdata; + val >>= 16; pdata->chip_id = val; pdata->mdix_ctrl = get_mdix_status(dev->net); -- cgit v1.2.3