From: Stefan Wahren stefan.wahren@i2se.com
[ Upstream commit fa8cd98c06407b5798b927cd7fd14d30f360ed02 ]
We need to bail out if lan78xx_get_endpoints() fails, otherwise the result is overwritten.
Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet") Signed-off-by: Stefan Wahren stefan.wahren@i2se.com Reviewed-by: Raghuram Chary Jallipalli raghuramchary.jallipalli@microchip.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/usb/lan78xx.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index e143a7fe93201..a3f9d8f05db4a 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -2621,6 +2621,11 @@ static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf) int i;
ret = lan78xx_get_endpoints(dev, intf); + if (ret) { + netdev_warn(dev->net, "lan78xx_get_endpoints failed: %d\n", + ret); + return ret; + }
dev->data[0] = (unsigned long)kzalloc(sizeof(*pdata), GFP_KERNEL);