From: Andre Edich <[email protected]>
[ 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 <[email protected]>
Signed-off-by: Parthiban Veerasooran <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
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 b6b8aec73b280..8037a2e51a789 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1136,6 +1136,8 @@ 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);
@@ -1157,6 +1159,10 @@ static int smsc95xx_bind(struct usbnet *dev, struct
usb_interface *intf)
dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
return 0;
+
+free_pdata:
+ kfree(pdata);
+ return ret;
}
static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
--
2.25.1
