From f000fd80937c0d94c67f9f3e7026f1fbc8ef8873 Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jgarzik@redhat.com>
Date: Tue, 22 Apr 2008 13:50:34 +0200
Subject: [ALSA] Fix synchronize_irq() bugs, redundancies
free_irq() calls synchronize_irq() for you, so there is no need for
drivers to manually do the same thing (again). Thus, calls where
sync-irq immediately precedes free-irq can be simplified.
However, during this audit several bugs were noticed, where free-irq is
preceded by a "irq >= 0" check... but the sync-irq call is not covered
by the same check.
So, where sync-irq could not be eliminated completely, the missing check
was added.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/oxygen/oxygen_lib.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
(limited to 'sound/pci/oxygen')
diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c
index f84f6a128ee9..897697d43506 100644
--- a/sound/pci/oxygen/oxygen_lib.c
+++ b/sound/pci/oxygen/oxygen_lib.c
@@ -410,10 +410,8 @@ static void oxygen_card_free(struct snd_card *card)
oxygen_write16(chip, OXYGEN_DMA_STATUS, 0);
oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
spin_unlock_irq(&chip->reg_lock);
- if (chip->irq >= 0) {
+ if (chip->irq >= 0)
free_irq(chip->irq, chip);
- synchronize_irq(chip->irq);
- }
flush_scheduled_work();
chip->model->cleanup(chip);
mutex_destroy(&chip->mutex);
--
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