Commit 6f7c8869 authored by Wang Hai's avatar Wang Hai Committed by Jakub Kicinski

usbnet: fix error return code in usbnet_probe()

Return error code if usb_maxpacket() returns 0 in usbnet_probe()

Fixes: 397430b5 ("usbnet: sanity check for maxpacket")
Reported-by: default avatarHulk Robot <hulkci@huawei.com>
Signed-off-by: default avatarWang Hai <wanghai38@huawei.com>
Reviewed-by: default avatarJohan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20211026124015.3025136-1-wanghai38@huawei.comSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent afe8ca11
......@@ -1790,6 +1790,7 @@ 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;
}
......
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