From c05cb3cb9e1d0e42ae7568b403aef4ea9c07e7f3 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() Return error code if usb_maxpacket() returns 0 in usbnet_probe() Fixes: d0c8459c7bc9 ("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 --- 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 80432ee0ce694..a33d7fb82a00b 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -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; } -- 2.39.5