aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorWang Hai <wanghai38@huawei.com>2021-10-26 20:40:15 +0800
committerJakub Kicinski <kuba@kernel.org>2021-10-27 12:06:15 -0700
commit6f7c88691191e6c52ef2543d6f1da8d360b27a24 (patch)
tree9735141f2bccfb85e0cc17735a5a702d9c4bf6fb
parentafe8ca110cf4c99dee7b31473eacb56b72944df4 (diff)
downloadlinux-6f7c88691191e6c52ef2543d6f1da8d360b27a24.tar.gz
usbnet: fix error return code in usbnet_probe()
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>
-rw-r--r--drivers/net/usb/usbnet.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 80432ee0ce6947..a33d7fb82a00bc 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;
}