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Revert "ALSA: seq: Protect in-kernel ioctl calls with mutex"
authorTakashi Iwai <tiwai@suse.de>
Thu, 11 Apr 2019 17:58:32 +0000 (19:58 +0200)
committerTakashi Iwai <tiwai@suse.de>
Thu, 11 Apr 2019 17:58:43 +0000 (19:58 +0200)
commitf0654ba94e33699b295ce4f3dc73094db6209035
tree618d76e1b9666f8f40356e9892e1e3da844b4b5atree | snapshot
parent5d704b0d3b4855734f029337e516b829c473801ccommit | diff
Revert "ALSA: seq: Protect in-kernel ioctl calls with mutex"

This reverts commit feb689025fbb6f0aa6297d3ddf97de945ea4ad32.

The fix attempt was incorrect, leading to the mutex deadlock through
the close of OSS sequencer client.  The proper fix needs more
consideration, so let's revert it now.

Fixes: feb689025fbb ("ALSA: seq: Protect in-kernel ioctl calls with mutex")
Reported-by: syzbot+47ded6c0f23016cde310@syzkaller.appspotmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/seq/seq_clientmgr.c diff | blob | history
Domain: System / Kernel;