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ASoC: stm32: spdifrx: fix race condition in irq handler
authorOlivier Moysan <olivier.moysan@st.com>
Wed, 4 Dec 2019 15:43:32 +0000 (16:43 +0100)
committerMark Brown <broonie@kernel.org>
Tue, 24 Dec 2019 23:56:17 +0000 (23:56 +0000)
commit2932ce9bb3a47e092badd59f4abf3bec24cb19d5
treefc9fdb91d87a19e67c4f1db78dbe42e39bc04425tree | snapshot
parent8c771618513114d56acc93619d020a37dc323ee7commit | diff
ASoC: stm32: spdifrx: fix race condition in irq handler

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

Fixes: 6238ea14eb6d ("ASoC: stm32: Add SPDIFRX support")
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Link: https://lore.kernel.org/r/20191204154333.7152-3-olivier.moysan@st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/stm/stm32_spdifrx.c diff | blob | history
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