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| author | Takashi Iwai <tiwai@suse.de> | 2023-06-12 14:55:33 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-06-16 09:26:41 +0200 |
| commit | 297224fc0922e7385573a30c29ffdabb67f27b7d (patch) | |
| tree | b0451c5565edef3c74d8e1792d9652f4f81827ad /sound/usb | |
| parent | a2a871483161014f1bcc4e9a04354b01aa77cedb (diff) | |
ALSA: seq: oss: Fix racy open/close of MIDI devices
Although snd_seq_oss_midi_open() and snd_seq_oss_midi_close() can be
called concurrently from different code paths, we have no proper data
protection against races. Introduce open_mutex to each seq_oss_midi
object for avoiding the races.
Reported-by: "Gong, Sishuai" <sishuai@purdue.edu>
Closes: https://lore.kernel.org/r/7DC9AF71-F481-4ABA-955F-76C535661E33@purdue.edu
Link: https://lore.kernel.org/r/20230612125533.27461-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
0 files changed, 0 insertions, 0 deletions