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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)
commit86e1956af4c863d653136fd6e5694adf2054dbaa
treefc9fdb91d87a19e67c4f1db78dbe42e39bc04425tree | snapshot
parent2859b1784031b5709446af8f6039c467f136e67dcommit | 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: 03e4d5d56fa5 ("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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