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paulhsia authored
BugLink: https://bugs.launchpad.net/bugs/1858489 [ Upstream commit f5cdc9d4 ] If the nullity check for `substream->runtime` is outside of the lock region, it is possible to have a null runtime in the critical section if snd_pcm_detach_substream is called right before the lock. Signed-off-by:
paulhsia <paulhsia@chromium.org> Link: https://lore.kernel.org/r/20191112171715.128727-2-paulhsia@chromium.orgSigned-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
Sasha Levin <sashal@kernel.org> Signed-off-by:
Connor Kuehl <connor.kuehl@canonical.com> Signed-off-by:
Kleber Sacilotto de Souza <kleber.souza@canonical.com>
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