staging: comedi: ni_mio_common: ni_gpct_device_destroy() can handle a NULL pointer

Remove the unnecessary NULL pointer check.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2016-03-22 11:10:42 -07:00 • committed by Greg Kroah-Hartman
commit 99307a69bf