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authorMax Krummenacher <max.krummenacher@toradex.com>2021-11-04 16:45:40 +0100
committerMax Krummenacher <max.krummenacher@toradex.com>2021-11-04 16:45:40 +0100
commit4a0abd7dd466276ee3fdf79b54f05f845f7d8844 (patch)
treefc43c16f111b65876c05e227fbd76e76604acf33 /drivers/net/usb/usbnet.c
parentf8e718054f4421d11638e370b933ccc6c77466ed (diff)
parente0018f4c9325b36ae75a591d54879bf9a9f41a26 (diff)
Merge tag 'v4.4.291' into toradex_vf_4.4-nexttoradex_vf_4.4-nexttoradex_vf_4.4
This is the 4.4.291 stable release Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Diffstat (limited to 'drivers/net/usb/usbnet.c')
-rw-r--r--drivers/net/usb/usbnet.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 5a09aff4155a..d98d50c895b8 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1730,6 +1730,11 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
if (!dev->rx_urb_size)
dev->rx_urb_size = dev->hard_mtu;
dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1);
+ if (dev->maxpacket == 0) {
+ /* that is a broken device */
+ status = -ENODEV;
+ goto out4;
+ }
/* let userspace know we have a random address */
if (ether_addr_equal(net->dev_addr, node_id))