ASoC: stm32: sai: fix race condition in irq handler

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When snd_pcm_stop_xrun() is called in interrupt routine,
substream context may have already been released.
Add protection on substream context.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Olivier Moysan 2019-02-28 14:19:23 +01:00 • committed by Mark Brown

parent b846819297

commit 26f98e82dd

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GPG key ID: 24D68B725D5487D0

1 changed files with 12 additions and 1 deletions

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sound/soc/stm/stm32_sai_sub.c

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