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authorHans Verkuil <hans.verkuil@cisco.com>2014-11-05 04:51:26 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-11-05 09:07:58 -0200
commita8d54e4cdfb8f903ee53148559254b0e3263669e (patch)
tree69f58d52968a013a3ee6e5b1a3468dd01faded19 /drivers/media/v4l2-core
parentcf38d4b92dee1635967b8e85ae607e6fcf6be19e (diff)
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[media] videobuf: fix sparse warnings
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>
Diffstat (limited to 'drivers/media/v4l2-core')
-rw-r--r--drivers/media/v4l2-core/videobuf-core.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/videobuf-core.c b/drivers/media/v4l2-core/videobuf-core.c
index b91a266d0b7e..926836d1813a 100644
--- a/drivers/media/v4l2-core/videobuf-core.c
+++ b/drivers/media/v4l2-core/videobuf-core.c
@@ -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