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[ALSA] hda-intel - Fix race in remove
author
Takashi Iwai
<tiwai@suse.de>
Thu, 1 Jun 2006 09:42:14 +0000
(11:42 +0200)
committer
Jaroslav Kysela
<perex@suse.cz>
Thu, 22 Jun 2006 19:34:07 +0000
(21:34 +0200)
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>
sound/pci/hda/hda_intel.c
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diff --git
a/sound/pci/hda/hda_intel.c
b/sound/pci/hda/hda_intel.c
index
0154389
..
4070b5c
100644
(file)
--- a/
sound/pci/hda/hda_intel.c
+++ b/
sound/pci/hda/hda_intel.c
@@
-1402,10
+1402,10
@@
static int azx_free(struct azx *chip)
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);