Hello.
On 12/18/2014 05:50 PM, Ben Hutchings wrote:
From: William Towle <william.to...@codethink.co.uk>
Move the buffer state test in the .buf_cleanup handler into
.stop_streaming so that a) the vb2_queue API is not subverted, and
b) tracking of active-state buffers via priv->queue_buf[] is handled
as early as is possible
Signed-off-by: William Towle <william.to...@codethink.co.uk>
---
drivers/media/platform/soc_camera/rcar_vin.c | 36 ++++++++++----------------
1 file changed, 14 insertions(+), 22 deletions(-)
diff --git a/drivers/media/platform/soc_camera/rcar_vin.c
b/drivers/media/platform/soc_camera/rcar_vin.c
index 20dbedf..bf60074 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
[...]
@@ -533,8 +513,20 @@ static void rcar_vin_stop_streaming(struct vb2_queue *vq)
rcar_vin_wait_stop_streaming(priv);
for (i = 0; i < vq->num_buffers; ++i)
- if (vq->bufs[i]->state == VB2_BUF_STATE_ACTIVE)
+ if (vq->bufs[i]->state == VB2_BUF_STATE_ACTIVE) {
+ int j;
+
+ /* Is this a buffer we have told the
+ * hardware about? Update the associated
+ * list, if so
+ */
+ for (j = 0; j < MAX_BUFFER_NUM; j++) {
+ if (priv->queue_buf[j] == vq->bufs[i]) {
+ priv->queue_buf[j] = NULL;
+ }
Don't need {} here.
+ }
vb2_buffer_done(vq->bufs[i], VB2_BUF_STATE_ERROR);
+ }
WBR, Sergei
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