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authorTakashi Iwai <tiwai@suse.de>2008-04-22 17:28:11 +0200
committerTakashi Iwai <tiwai@suse.de>2008-04-24 12:00:41 +0200
commitebf029da38829ede6b53ac8a5ad45b149064ea16 (patch)
treeaebf6bddd245a874577fc321978b3f7137e8ac39 /sound/pci/korg1212/korg1212.c
parent[ALSA] soc - neo1973_wm8753 - Fix module unload (diff)
downloadwireguard-linux-ebf029da38829ede6b53ac8a5ad45b149064ea16.tar.xz
wireguard-linux-ebf029da38829ede6b53ac8a5ad45b149064ea16.zip
[ALSA] Fix possible races at free_irq in PCI drivers
The irq handler of PCI drivers must be released before releasing other resources since the handler for a shared irq can be still called and may access the freed resource again. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/korg1212/korg1212.c')
-rw-r--r--sound/pci/korg1212/korg1212.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c
index 10c713d9ac49..f4c85b52bde3 100644
--- a/sound/pci/korg1212/korg1212.c
+++ b/sound/pci/korg1212/korg1212.c
@@ -2102,7 +2102,6 @@ snd_korg1212_free(struct snd_korg1212 *korg1212)
snd_korg1212_TurnOffIdleMonitor(korg1212);
if (korg1212->irq >= 0) {
- synchronize_irq(korg1212->irq);
snd_korg1212_DisableCardInterrupts(korg1212);
free_irq(korg1212->irq, korg1212);
korg1212->irq = -1;