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[media] videobuf: fix sparse warnings

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videobuf-core.c:834:23: warning: Using plain integer as NULL pointer
videobuf-core.c:851:28: warning: Using plain integer as NULL pointer

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2014-11-05 04:51:26 -03:00 committed by Mauro Carvalho Chehab
parent cf38d4b92d
commit a8d54e4cdf
1 changed files with 4 additions and 2 deletions
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6
drivers/media/v4l2-core/videobuf-core.c
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@ -51,6 +51,8 @@ MODULE_LICENSE("GPL");
#define CALL(q, f, arg...) \
((q->int_ops->f) ? q->int_ops->f(arg) : 0)
#define CALLPTR(q, f, arg...) \
((q->int_ops->f) ? q->int_ops->f(arg) : NULL)
struct videobuf_buffer *videobuf_alloc_vb(struct videobuf_queue *q)
{
@ -831,7 +833,7 @@ static int __videobuf_copy_to_user(struct videobuf_queue *q,
char __user *data, size_t count,
int nonblocking)
{
void *vaddr = CALL(q, vaddr, buf);
void *vaddr = CALLPTR(q, vaddr, buf);
/* copy to userspace */
if (count > buf->size - q->read_off)
@ -848,7 +850,7 @@ static int __videobuf_copy_stream(struct videobuf_queue *q,
char __user *data, size_t count, size_t pos,
int vbihack, int nonblocking)
{
unsigned int *fc = CALL(q, vaddr, buf);
unsigned int *fc = CALLPTR(q, vaddr, buf);
if (vbihack) {
/* dirty, undocumented hack -- pass the frame counter