USB: handle more rndis_host oddities

Workaround another device firmware bug, wherein CDC descriptors get
placed in a wrong place never previously observed in the wild.

Fix a bug where a seeming RNDIS device returns a bogus response during
device initialization.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index 980e4aaa97aa..cd991a0f75bb 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -515,6 +515,7 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf)
                 dev_err(&intf->dev,
                         "dev can't take %u byte packets (max %u)\n",
                         dev->hard_mtu, tmp);
+                retval = -EINVAL;
                 goto fail_and_release;
         }