[media] video/saa7164: Fix sparse warning: Using plain integer as NULL pointer

This patch fixes the warning "Using plain integer as NULL pointer",
generated by sparse, by replacing
	if (var == 0)
with
	if (!var)
after an allocation
and all other offending 0s with NULL.

KernelVersion: linus' tree-1f0324c

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/media/video/saa7164/saa7164-encoder.c b/drivers/media/video/saa7164/saa7164-encoder.c
index 1838408cd5cb..f9d594698832 100644
--- a/drivers/media/video/saa7164/saa7164-encoder.c
+++ b/drivers/media/video/saa7164/saa7164-encoder.c
@@ -152,8 +152,8 @@ static int saa7164_encoder_buffers_alloc(struct saa7164_port *port)
         /* Init and establish defaults */
         params->bitspersample = 8;
         params->linethreshold = 0;
-        params->pagetablelistvirt = 0;
-        params->pagetablelistphys = 0;
+        params->pagetablelistvirt = NULL;
+        params->pagetablelistphys = NULL;
         params->numpagetableentries = port->hwcfg.buffercount;
 
         /* Allocate the PCI resources, buffers (hard) */
@@ -1108,7 +1108,7 @@ static int fops_release(struct file *file)
 
 struct saa7164_user_buffer *saa7164_enc_next_buf(struct saa7164_port *port)
 {
-        struct saa7164_user_buffer *ubuf = 0;
+        struct saa7164_user_buffer *ubuf = NULL;
         struct saa7164_dev *dev = port->dev;
         u32 crc;
 
@@ -1443,7 +1443,7 @@ int saa7164_encoder_register(struct saa7164_port *port)
         port->v4l_device = saa7164_encoder_alloc(port,
                 dev->pci, &saa7164_mpeg_template, "mpeg");
 
-        if (port->v4l_device == NULL) {
+        if (!port->v4l_device) {
                 printk(KERN_INFO "%s: can't allocate mpeg device\n",
                         dev->name);
                 result = -ENOMEM;