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| author | Wang Hai <wanghai38@huawei.com> | 2021-10-26 20:40:15 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-02 18:26:44 +0100 |
| commit | 78c2dc1cdf0bdfc83e473d78f23da4d2aeb98142 (patch) | |
| tree | 18e248445a29d49d575819c2b18333cf2dd26f82 | |
| parent | 002d82227c0abe29118cf80f7e2f396b22d448ed (diff) | |
| download | linux-stable-78c2dc1cdf0bdfc83e473d78f23da4d2aeb98142.tar.gz linux-stable-78c2dc1cdf0bdfc83e473d78f23da4d2aeb98142.tar.bz2 linux-stable-78c2dc1cdf0bdfc83e473d78f23da4d2aeb98142.zip | |
usbnet: fix error return code in usbnet_probe()
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>
| -rw-r--r-- | drivers/net/usb/usbnet.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 0598bc7aff89..867cadb1e5cc 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1786,6 +1786,7 @@ 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; } |