[media] staging: media: lirc: replace NULL comparisons with !var

A NULL comparison can be written as if (var) or if (!var).
Reported by checkpatch.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/staging/media/lirc/lirc_parallel.c b/drivers/staging/media/lirc/lirc_parallel.c
index d009bcb..7df8278 100644 (file)
--- a/drivers/staging/media/lirc/lirc_parallel.c
+++ b/drivers/staging/media/lirc/lirc_parallel.c
@@ -647,7 +647,7 @@ static int __init lirc_parallel_init(void)
                goto exit_device_put;
 
        pport = parport_find_base(io);
-       if (pport == NULL) {
+       if (!pport) {
                pr_notice("no port at %x found\n", io);
                result = -ENXIO;
                goto exit_device_put;
@@ -656,7 +656,7 @@ static int __init lirc_parallel_init(void)
                                           pf, kf, lirc_lirc_irq_handler, 0,
                                           NULL);
        parport_put_port(pport);
-       if (ppdevice == NULL) {
+       if (!ppdevice) {
                pr_notice("parport_register_device() failed\n");
                result = -ENXIO;
                goto exit_device_put;