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authorTakashi Iwai <tiwai@suse.de>2020-02-14 12:13:16 +0100
committerTakashi Iwai <tiwai@suse.de>2020-02-14 15:53:19 +0100
commitdfa9a5efe8b932a84b3b319250aa3ac60c20f876 (patch)
treed1ae76b60f231c1c9b7a33be83ef085ad4c3f397 /sound
parentALSA: seq: Fix concurrent access to queue current tick/time (diff)
downloadlinux-dev-dfa9a5efe8b932a84b3b319250aa3ac60c20f876.tar.xz
linux-dev-dfa9a5efe8b932a84b3b319250aa3ac60c20f876.zip
ALSA: rawmidi: Avoid bit fields for state flags
The rawmidi state flags (opened, append, active_sensing) are stored in bit fields that can be potentially racy when concurrently accessed without any locks. Although the current code should be fine, there is also no any real benefit by keeping the bitfields for this kind of short number of members. This patch changes those bit fields flags to the simple bool fields. There should be no size increase of the snd_rawmidi_substream by this change. Reported-by: syzbot+576cc007eb9f2c968200@syzkaller.appspotmail.com Link: https://lore.kernel.org/r/20200214111316.26939-4-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
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