[PATCH 01/19] usbnet: smsc95xx: Fix memory leak in smsc95xx_bind

[Marek Vasut]

In case reading of PHY register fails in smsc95xx_bind(), the private
data allocated earlier are not free()d. Free them before bailing out.

Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: David S. Miller <da...@davemloft.net>
Cc: Nisar Sayed <nisar.sa...@microchip.com>
Cc: Woojung Huh <woojung....@microchip.com>
Cc: Andrew Lunn <and...@lunn.ch>
Cc: Florian Fainelli <f.faine...@gmail.com>
Cc: linux-...@vger.kernel.org
To: netdev@vger.kernel.org
---
 drivers/net/usb/smsc95xx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index e3d08626828e..772429c17ae1 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1303,7 +1303,7 @@ 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 err_read_reg;
        val >>= 16;
        pdata->chip_id = val;
        pdata->mdix_ctrl = get_mdix_status(dev->net);
@@ -1329,6 +1329,9 @@ static int smsc95xx_bind(struct usbnet *dev, struct 
usb_interface *intf)
        schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
 
        return 0;
+err_read_reg:
+       kfree(pdata);
+       return ret;
 }
 
 static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
-- 
2.19.2