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authorPeter Huewe <PeterHuewe@gmx.de>2011-01-30 20:33:01 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-03-22 00:32:19 +0100
commit61ca1500c5ee04f2be34a4f58bb9baed0214b7a9 (patch)
treeef71d383209c305352710cfac4a34fe068886af6 /drivers/media/video/saa7164/saa7164-vbi.c
parent[media] cx18: fix kernel oops when setting MPEG control before capturing (diff)
downloadlinux-61ca1500c5ee04f2be34a4f58bb9baed0214b7a9.tar.xz
linux-61ca1500c5ee04f2be34a4f58bb9baed0214b7a9.zip
[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>
Diffstat (limited to 'drivers/media/video/saa7164/saa7164-vbi.c')
-rw-r--r--drivers/media/video/saa7164/saa7164-vbi.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/video/saa7164/saa7164-vbi.c b/drivers/media/video/saa7164/saa7164-vbi.c
index 8abbe6d661e4..9e5b01c29cf5 100644
--- a/drivers/media/video/saa7164/saa7164-vbi.c
+++ b/drivers/media/video/saa7164/saa7164-vbi.c
@@ -123,8 +123,8 @@ static int saa7164_vbi_buffers_alloc(struct saa7164_port *port)
((params->numberoflines * params->pitch) / PAGE_SIZE);
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) */
@@ -1054,7 +1054,7 @@ static int fops_release(struct file *file)
struct saa7164_user_buffer *saa7164_vbi_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;
@@ -1334,7 +1334,7 @@ int saa7164_vbi_register(struct saa7164_port *port)
port->v4l_device = saa7164_vbi_alloc(port,
dev->pci, &saa7164_vbi_template, "vbi");
- if (port->v4l_device == NULL) {
+ if (!port->v4l_device) {
printk(KERN_INFO "%s: can't allocate vbi device\n",
dev->name);
result = -ENOMEM;