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ALSA: isight: fix leak of reference to firewire unit in error path of .probe callback 

[ Upstream commit 51e68fb092 ]

In some error paths, reference count of firewire unit is not decreased.
This commit fixes the bug.

Fixes: 5b14ec25a79b('ALSA: firewire: release reference count of firewire unit in .remove callback of bus driver')
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Takashi Sakamoto 2018-10-12 14:25:22 +09:00 committed by Greg Kroah-Hartman
parent 49a9643b5e
commit 3757657af2
1 changed files with 5 additions and 5 deletions
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10
sound/firewire/isight.c
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@ -640,7 +640,7 @@ static int isight_probe(struct fw_unit *unit,
if (!isight->audio_base) {
dev_err(&unit->device, "audio unit base not found\n");
err = -ENXIO;
goto err_unit;
goto error;
}
fw_iso_resources_init(&isight->resources, unit);
@ -669,12 +669,12 @@ static int isight_probe(struct fw_unit *unit,
dev_set_drvdata(&unit->device, isight);
return 0;
err_unit:
fw_unit_put(isight->unit);
mutex_destroy(&isight->mutex);
error:
snd_card_free(card);
mutex_destroy(&isight->mutex);
fw_unit_put(isight->unit);
return err;
}