e465274a3c
This patch simplifies code by replacing explicit NULL comparison with ! or unmark operator Reported by checkpatch.pl for comparison to NULL could be written '!foo' or 'foo' Signed-off-by: Suniel Mahesh <suniel.spartan@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>