From: Andre Edich andre.edich@microchip.com
[ Upstream commit 7c8b1e855f94f88a0c569be6309fc8d5c8844cd1 ]
The return value of the function smsc95xx_reset() must be checked to avoid returning false success from the function smsc95xx_bind().
Fixes: 2f7ca802bdae2 ("net: Add SMSC LAN9500 USB2.0 10/100 ethernet adapter driver") 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 | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 6852ebafd4d3b..6ecae631a6307 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1292,6 +1292,8 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
/* Init all registers */ ret = smsc95xx_reset(dev); + if (ret) + goto free_pdata;
/* detect device revision as different features may be available */ ret = smsc95xx_read_reg(dev, ID_REV, &val); @@ -1320,6 +1322,10 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
return 0; + +free_pdata: + kfree(pdata); + return ret; }
static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)