diff options
| author | Andre Edich <andre.edich@microchip.com> | 2020-07-06 10:39:34 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-16 08:17:24 +0200 |
| commit | 10929819cdbc781cc5041f62371bfdc45b8b6a2c (patch) | |
| tree | f30bb9d3f2c7d528e58523bf23061b7cf2bdcae3 | |
| parent | 739fe4d14dd95a7c221ab3fb2286cdd7f17d9b23 (diff) | |
smsc95xx: check return value of smsc95xx_reset
[ 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>
| -rw-r--r-- | drivers/net/usb/smsc95xx.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index c3389bd87c65..145ee4a02a8a 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1301,6 +1301,8 @@ 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); @@ -1331,6 +1333,10 @@ 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) |