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/openbmc/linux/include/sound/
H A Drawmidi.hf1d40433 Fri Jun 17 09:40:48 CDT 2022 Takashi Iwai <tiwai@suse.de> ALSA: rawmidi: Move lock to snd_rawmidi_substream

Having a lock in snd_rawmidi_runtime can be a problem especially when
a substream is accessed from the outside, as the runtime creation
might be racy with the external calls. As a first step for hardening,
move the spinlock from snd_rawmidi_runtime to snd_rawmidi_substream.

This patch just replaces the lock calls, no real functional change is
put yet.

Link: https://lore.kernel.org/r/20220617144051.18985-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
/openbmc/linux/sound/core/
H A Drawmidi.cf1d40433 Fri Jun 17 09:40:48 CDT 2022 Takashi Iwai <tiwai@suse.de> ALSA: rawmidi: Move lock to snd_rawmidi_substream

Having a lock in snd_rawmidi_runtime can be a problem especially when
a substream is accessed from the outside, as the runtime creation
might be racy with the external calls. As a first step for hardening,
move the spinlock from snd_rawmidi_runtime to snd_rawmidi_substream.

This patch just replaces the lock calls, no real functional change is
put yet.

Link: https://lore.kernel.org/r/20220617144051.18985-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>