From 7cde76db8883ec8a3d1456068079ecadbfb15ca5 Mon Sep 17 00:00:00 2001 From: Dikshita Agarwal Date: Mon, 29 Dec 2025 12:01:22 +0530 Subject: [PATCH] media: iris: gen1: Destroy internal buffers after FW releases [ Upstream commit 1dabf00ee206eceb0f08a1fe5d1ce635f9064338 ] After the firmware releases internal buffers, the driver was not destroying them. This left stale allocations that were no longer used, especially across resolution changes where new buffers are allocated per the updated requirements. As a result, memory was wasted until session close. Destroy internal buffers once the release response is received from the firmware. Fixes: 73702f45db81 ("media: iris: allocate, initialize and queue internal buffers") Reviewed-by: Bryan O'Donoghue Signed-off-by: Dikshita Agarwal Reviewed-by: Vikash Garodia Cc: stable@vger.kernel.org Signed-off-by: Bryan O'Donoghue Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c index ffb50c98a5b6f..aca8f540b0520 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c @@ -441,6 +441,8 @@ static int iris_hfi_gen1_session_unset_buffers(struct iris_inst *inst, struct ir goto exit; ret = iris_wait_for_session_response(inst, false); + if (!ret) + ret = iris_destroy_internal_buffer(inst, buf); exit: kfree(pkt); -- 2.47.3