[ Upstream commit
0d75bb6ae127f5e3fd0e2239714908fd2038193d ]
The start_streaming callback returned 0 or 1 instead of a
proper error code. Fix that.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes:
b7ec3212a73a ("media: bttv: convert to vb2")
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
static int start_streaming(struct vb2_queue *q, unsigned int count)
{
- int ret = 1;
int seqnr = 0;
struct bttv_buffer *buf;
struct bttv *btv = vb2_get_drv_priv(q);
- ret = check_alloc_btres_lock(btv, RESOURCE_VIDEO_STREAM);
- if (ret == 0) {
+ if (!check_alloc_btres_lock(btv, RESOURCE_VIDEO_STREAM)) {
if (btv->field_count)
seqnr++;
while (!list_empty(&btv->capture)) {
vb2_buffer_done(&buf->vbuf.vb2_buf,
VB2_BUF_STATE_QUEUED);
}
- return !ret;
+ return -EBUSY;
}
if (!vb2_is_streaming(&btv->vbiq)) {
init_irqreg(btv);
static int start_streaming_vbi(struct vb2_queue *q, unsigned int count)
{
- int ret;
int seqnr = 0;
struct bttv_buffer *buf;
struct bttv *btv = vb2_get_drv_priv(q);
btv->framedrop = 0;
- ret = check_alloc_btres_lock(btv, RESOURCE_VBI);
- if (ret == 0) {
+ if (!check_alloc_btres_lock(btv, RESOURCE_VBI)) {
if (btv->field_count)
seqnr++;
while (!list_empty(&btv->vcapture)) {
vb2_buffer_done(&buf->vbuf.vb2_buf,
VB2_BUF_STATE_QUEUED);
}
- return !ret;
+ return -EBUSY;
}
if (!vb2_is_streaming(&btv->capq)) {
init_irqreg(btv);
btv->field_count = 0;
}
- return !ret;
+ return 0;
}
static void stop_streaming_vbi(struct vb2_queue *q)