[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/usb/usbaudio.c b/sound/usb/usbaudio.c
index 5429b16..4589c63 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -692,9 +692,9 @@
 	if (runtime->dma_area) {
 		if (runtime->dma_bytes >= size)
 			return 0; /* already large enough */
-		vfree_nocheck(runtime->dma_area);
+		vfree(runtime->dma_area);
 	}
-	runtime->dma_area = vmalloc_nocheck(size);
+	runtime->dma_area = vmalloc(size);
 	if (! runtime->dma_area)
 		return -ENOMEM;
 	runtime->dma_bytes = size;
@@ -706,7 +706,7 @@
 {
 	snd_pcm_runtime_t *runtime = subs->runtime;
 	if (runtime->dma_area) {
-		vfree_nocheck(runtime->dma_area);
+		vfree(runtime->dma_area);
 		runtime->dma_area = NULL;
 	}
 	return 0;