From: Andre Edich andre.edich@microchip.com
[ Upstream commit 3ed58f96a70b85ef646d5427258f677f1395b62f ]
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 andre.edich@microchip.com Signed-off-by: Parthiban Veerasooran Parthiban.Veerasooran@microchip.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/usb/smsc95xx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 6ecae631a6307..3e6bf6bd0a684 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1298,7 +1298,8 @@ 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);