v4l2_m2m_streamoff drops the list of ready buffers but failed to reset the
num_rdy counter to zero. This would lead to v4l2_m2m_num_src/dst_bufs_ready
reporting wrong values after streamoff.
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
drivers/media/v4l2-core/v4l2-mem2mem.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 8f116c2..796de33 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -488,6 +488,7 @@ int v4l2_m2m_streamoff(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
/* Drop queue, since streamoff returns device to the same state as after
* calling reqbufs. */
INIT_LIST_HEAD(&q_ctx->rdy_queue);
+ q_ctx->num_rdy = 0;
spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags);
if (m2m_dev->curr_ctx == m2m_ctx) {
--
1.8.4.rc3
--
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