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(parent: ab3b8e5) | patch
ALSA: seq: oss: Fix unbalanced use lock for synth MIDI device
authorTakashi Iwai <tiwai@suse.de>
Tue, 24 Apr 2018 05:26:59 +0000 (07:26 +0200)
committerTakashi Iwai <tiwai@suse.de>
Wed, 25 Apr 2018 08:37:45 +0000 (10:37 +0200)
commitf5e94b4c6ebdabe0f602d796e0430180927521a0
treebfdc7a9bfc66c8711e52772e5762aed1efec9484tree | snapshot
parentab3b8e5159b5335c81ba2d09ee5054d4a1b5a7a6commit | diff
ALSA: seq: oss: Fix unbalanced use lock for synth MIDI device

When get_synthdev() is called for a MIDI device, it returns the fixed
midi_synth_dev without the use refcounting.  OTOH, the caller is
supposed to unreference unconditionally after the usage, so this would
lead to unbalanced refcount.

This patch corrects the behavior and keep up the refcount balance also
for the MIDI synth device.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/seq/oss/seq_oss_synth.c diff | blob | history
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