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=167869Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

sound/pci/hda/hda_intel.c

@@ -1364,10 +1364,10 @@ 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);