[ALSA] Remove vmalloc wrapper, kfree_nocheck()

- Remove vmalloc wrapper
- Add release_and_free_resource() to remove kfree_nocheck() from each driver
  and simplify the code

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 6e3855b..147836f 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -2906,10 +2906,7 @@
 		snd_cs46xx_region_t *region = &chip->region.idx[idx];
 		if (region->remap_addr)
 			iounmap(region->remap_addr);
-		if (region->resource) {
-			release_resource(region->resource);
-			kfree_nocheck(region->resource);
-		}
+		release_and_free_resource(region->resource);
 	}
 	if (chip->irq >= 0)
 		free_irq(chip->irq, (void *)chip);