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path: root/drivers/media/video
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Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/ivtv/ivtv-fileops.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c
index db813e071ce..7ec5c99f9ad 100644
--- a/drivers/media/video/ivtv/ivtv-fileops.c
+++ b/drivers/media/video/ivtv/ivtv-fileops.c
@@ -582,6 +582,19 @@ ssize_t ivtv_v4l2_write(struct file *filp, const char __user *user_buf, size_t c
ivtv_queue_init(&q);
set_bit(IVTV_F_S_APPL_IO, &s->s_flags);
+ /* Start decoder (returns 0 if already started) */
+ mutex_lock(&itv->serialize_lock);
+ rc = ivtv_start_decoding(id, itv->speed);
+ mutex_unlock(&itv->serialize_lock);
+ if (rc) {
+ IVTV_DEBUG_WARN("Failed start decode stream %s\n", s->name);
+
+ /* failure, clean up */
+ clear_bit(IVTV_F_S_STREAMING, &s->s_flags);
+ clear_bit(IVTV_F_S_APPL_IO, &s->s_flags);
+ return rc;
+ }
+
retry:
/* If possible, just DMA the entire frame - Check the data transfer size
since we may get here before the stream has been fully set-up */
@@ -664,18 +677,6 @@ retry:
ivtv_enqueue(s, buf, &s->q_full);
}
- /* Start decoder (returns 0 if already started) */
- mutex_lock(&itv->serialize_lock);
- rc = ivtv_start_decoding(id, itv->speed);
- mutex_unlock(&itv->serialize_lock);
- if (rc) {
- IVTV_DEBUG_WARN("Failed start decode stream %s\n", s->name);
-
- /* failure, clean up */
- clear_bit(IVTV_F_S_STREAMING, &s->s_flags);
- clear_bit(IVTV_F_S_APPL_IO, &s->s_flags);
- return rc;
- }
if (test_bit(IVTV_F_S_NEEDS_DATA, &s->s_flags)) {
if (s->q_full.length >= itv->dma_data_req_size) {
int got_sig;