staging: wilc1000: add set to null after release firmware

This patch add set to null after release firmware.

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Leo Kim 2016-04-01 17:44:17 +09:00 • committed by Greg Kroah-Hartman
commit 3f626cf4a8