From 5a3a5e1efd63751781a75d1e289b5319729a3b6c Mon Sep 17 00:00:00 2001 From: Wang Hai Date: Tue, 26 Oct 2021 20:40:15 +0800 Subject: [PATCH] usbnet: fix error return code in usbnet_probe() commit 6f7c88691191e6c52ef2543d6f1da8d360b27a24 upstream. Return error code if usb_maxpacket() returns 0 in usbnet_probe() Fixes: 397430b50a36 ("usbnet: sanity check for maxpacket") Reported-by: Hulk Robot Signed-off-by: Wang Hai Reviewed-by: Johan Hovold Link: https://lore.kernel.org/r/20211026124015.3025136-1-wanghai38@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/usb/usbnet.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 965e1a7b179f..6a004742ec71 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1742,6 +1742,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1); if (dev->maxpacket == 0) { /* that is a broken device */ + status = -ENODEV; goto out4; }