Staging: wlan-ng: Fix prefer netdev_err to printk

This patch fixes checkpatch.pl error prefer netdev_error to printk in
wlan-ng driver.

Signed-off-by: Tugce Sirin <ztugcesirin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed