Messages in this thread Patch in this message | | | Date | Mon, 17 Jul 2006 09:28:41 -0700 | From | Greg KH <> | Subject | [patch 34/45] ALSA: hda-intel - Fix race in remove |
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-stable review patch. If anyone has any objections, please let us know.
------------------ From: Takashi Iwai <tiwai@suse.de>
[PATCH] 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> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- sound/pci/hda/hda_intel.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- linux-2.6.17.6.orig/sound/pci/hda/hda_intel.c +++ linux-2.6.17.6/sound/pci/hda/hda_intel.c @@ -1393,10 +1393,10 @@ 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); -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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