[ALSA] hda-intel - Fix race in remove
Call iounmap after free_irq to avoid invalid accesses in the
shared irq. The patch is taken from
https://bugzilla.novell.com/show_bug.cgi?id=167869
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 0154389..4070b5c 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1402,10 +1402,10 @@
msleep(1);
}
- if (chip->remap_addr)
- iounmap(chip->remap_addr);
if (chip->irq >= 0)
free_irq(chip->irq, (void*)chip);
+ if (chip->remap_addr)
+ iounmap(chip->remap_addr);
if (chip->bdl.area)
snd_dma_free_pages(&chip->bdl);