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usbnet: fix error return code in usbnet_probe()
author
Wang Hai
<wanghai38@huawei.com>
Tue, 26 Oct 2021 12:40:15 +0000
(20:40 +0800)
committer
Jakub Kicinski
<kuba@kernel.org>
Wed, 27 Oct 2021 19:06:15 +0000
(12:06 -0700)
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>
drivers/net/usb/usbnet.c
patch
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blob
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diff --git
a/drivers/net/usb/usbnet.c
b/drivers/net/usb/usbnet.c
index
80432ee
..
a33d7fb
100644
(file)
--- 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;
}