[PATCH 01/20] media: iris: Skip destroying internal buffer if not dequeued

[Dikshita Agarwal]

Firmware might hold the DPB buffers for reference in case of sequence
change, so skip destroying buffers for which QUEUED flag is not removed.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 73702f45db81 ("media: iris: allocate, initialize and queue internal buffers")
Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
---
 drivers/media/platform/qcom/iris/iris_buffer.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/media/platform/qcom/iris/iris_buffer.c b/drivers/media/platform/qcom/iris/iris_buffer.c
index e5c5a564fcb8..75fe63cc2327 100644
--- a/drivers/media/platform/qcom/iris/iris_buffer.c
+++ b/drivers/media/platform/qcom/iris/iris_buffer.c
@@ -396,6 +396,13 @@ int iris_destroy_internal_buffers(struct iris_inst *inst, u32 plane)
 	for (i = 0; i < len; i++) {
 		buffers = &inst->buffers[internal_buf_type[i]];
 		list_for_each_entry_safe(buf, next, &buffers->list, list) {
+			/*
+			 * skip destroying internal(DPB) buffer if firmware
+			 * did not return it.
+			 */
+			if (buf->attr & BUF_ATTR_QUEUED)
+				continue;
+
 			ret = iris_destroy_internal_buffer(inst, buf);
 			if (ret)
 				return ret;

-- 
2.34.1