commit | 34f3c89fda4fba9fe689db22253ca8db2f5e6386 | [log] [tgz] |
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author | Takashi Iwai <tiwai@suse.de> | Mon Oct 15 12:16:02 2012 +0200 |
committer | Takashi Iwai <tiwai@suse.de> | Tue Oct 30 11:07:00 2012 +0100 |
tree | 213e1b6e6ceaee42dc4f9ec74307794dc7a83b20 | |
parent | 978520b75f0a1ce82b17e1e8186417250de6d545 [diff] |
ALSA: usb-audio: Use rwsem for disconnect protection Replace mutex with rwsem for codec->shutdown protection so that concurrent accesses are allowed. Also add the protection to snd_usb_autosuspend() and snd_usb_autoresume(), too. Reported-by: Matthieu CASTET <matthieu.castet@parrot.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>