| From 6f7c88691191e6c52ef2543d6f1da8d360b27a24 Mon Sep 17 00:00:00 2001 |
| From: Wang Hai <wanghai38@huawei.com> |
| Date: Tue, 26 Oct 2021 20:40:15 +0800 |
| Subject: usbnet: fix error return code in usbnet_probe() |
| |
| From: Wang Hai <wanghai38@huawei.com> |
| |
| 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 <hulkci@huawei.com> |
| Signed-off-by: Wang Hai <wanghai38@huawei.com> |
| Reviewed-by: Johan Hovold <johan@kernel.org> |
| Link: https://lore.kernel.org/r/20211026124015.3025136-1-wanghai38@huawei.com |
| Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| --- |
| drivers/net/usb/usbnet.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| --- a/drivers/net/usb/usbnet.c |
| +++ b/drivers/net/usb/usbnet.c |
| @@ -1742,6 +1742,7 @@ usbnet_probe (struct usb_interface *udev |
| dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1); |
| if (dev->maxpacket == 0) { |
| /* that is a broken device */ |
| + status = -ENODEV; |
| goto out4; |
| } |
| |
