staging: davinci_vpfe: Change to !format

Change from if(format==NULL) to if(!format) to remove checkpatch warning
Signed-off-by: Irenge Jules Bashizi <jbi.octave@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/media/davinci_vpfe/dm365_ipipe.c

@@ -1466,7 +1466,7 @@ ipipe_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
 	struct v4l2_mbus_framefmt *format;
 
 	format = __ipipe_get_format(ipipe, cfg, fmt->pad, fmt->which);
-	if (format == NULL)
+	if (!format)
 		return -EINVAL;
 
 	ipipe_try_format(ipipe, cfg, fmt->pad, &fmt->format, fmt->which);