uvc: check ioctl return value for error

There is code that is meant to check for the error of an ioctl, but the
return variable that it checks isn't actually assigned from the ioctl.
Assign the return value before checking it.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
[Fixed error message]
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

0 files changed, 0 insertions, 0 deletions