ASoC: qcom: q6apm-dai: fix race condition while updating the position pointer

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[ Upstream commit 84222ef54b ]

It is noticed that the position pointer value seems to get a get corrupted
due to missing locking between updating and reading.

Fix this by adding a spinlock around the position pointer.

Fixes: 9b4fe0f1cd ("ASoC: qdsp6: audioreach: add q6apm-dai support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230209122806.18923-3-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Srinivas Kandagatla 2023-02-09 12:28:00 +00:00 • committed by Greg Kroah-Hartman

parent deaab3c632

commit 74f751f862

1 changed files with 15 additions and 1 deletions

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sound/soc/qcom/qdsp6/q6apm-dai.c

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