This patch fixes the following warning using checkpatch.pl
WARNING: Prefer [subsystem eg: netdev]_warn([subsystem]dev, ... then
dev_warn(dev, ... then pr_warn(... to printk(KERN_WARNING ...
Signed-off-by: Hema Prathaban <hemaklnce@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>