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media: iris: Report unreleased PERSIST buffers on session close

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Add error reporting for unreleased PERSIST internal buffers in
iris_check_num_queued_internal_buffers(). This ensures all buffer types
are checked and logged if not freed during session close, helping to
detect memory leaks and improve driver robustness. No change to buffer
lifecycle or allocation logic.

Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # X1E80100
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # x1e80100-crd
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Dikshita Agarwal
2025-08-25 12:30:26 +05:30
committed by Hans Verkuil
parent cba6aed422
commit 42e81c262c
1 changed files with 8 additions and 0 deletions
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8
drivers/media/platform/qcom/iris/iris_vidc.c
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@@ -246,6 +246,14 @@ static void iris_check_num_queued_internal_buffers(struct iris_inst *inst, u32 p
dev_err(inst->core->dev, "%d buffer of type %d not released",
count, internal_buf_type[i]);
}
buffers = &inst->buffers[BUF_PERSIST];
count = 0;
list_for_each_entry_safe(buf, next, &buffers->list, list)
count++;
if (count)
dev_err(inst->core->dev, "%d buffer of type BUF_PERSIST not released", count);
}
int iris_close(struct file *filp)