Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 07/25] usbnet: fix error return code in usbnet_probe() | Date | Mon, 1 Nov 2021 10:17:19 +0100 |
| |
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 @@ -1790,6 +1790,7 @@ 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; }
| |