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authorTakashi Iwai <tiwai@suse.de>2012-10-15 06:16:02 -0400
committerTakashi Iwai <tiwai@suse.de>2012-10-30 06:07:00 -0400
commit34f3c89fda4fba9fe689db22253ca8db2f5e6386 (patch)
tree213e1b6e6ceaee42dc4f9ec74307794dc7a83b20 /sound/usb/format.c
parent978520b75f0a1ce82b17e1e8186417250de6d545 (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>
Diffstat (limited to 'sound/usb/format.c')
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