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authorJeff Garzik <jgarzik@redhat.com>2008-04-22 11:50:34 (GMT)
committerTakashi Iwai <tiwai@suse.de>2008-04-24 10:00:40 (GMT)
commitf000fd80937c0d94c67f9f3e7026f1fbc8ef8873 (patch)
treea1364921df5ed78b387a767787ea945031b5b641 /sound/pci/via82xx.c
parent8a87c9cf999542db846c3ab93c1065d446427f37 (diff)
downloadlinux-f000fd80937c0d94c67f9f3e7026f1fbc8ef8873.tar.xz
[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>
Diffstat (limited to 'sound/pci/via82xx.c')
-rw-r--r--sound/pci/via82xx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index a756be6..b585cc3 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -2236,7 +2236,7 @@ static int snd_via82xx_free(struct via82xx *chip)
/* disable interrupts */
for (i = 0; i < chip->num_devs; i++)
snd_via82xx_channel_reset(chip, &chip->devs[i]);
- synchronize_irq(chip->irq);
+
if (chip->irq >= 0)
free_irq(chip->irq, chip);
__end_hw: