[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/nm256/nm256.c b/sound/pci/nm256/nm256.c
index 5c55a3b..ebfa38b 100644
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -1347,14 +1347,8 @@
 		iounmap(chip->cport);
 	if (chip->buffer)
 		iounmap(chip->buffer);
-	if (chip->res_cport) {
-		release_resource(chip->res_cport);
-		kfree_nocheck(chip->res_cport);
-	}
-	if (chip->res_buffer) {
-		release_resource(chip->res_buffer);
-		kfree_nocheck(chip->res_buffer);
-	}
+	release_and_free_resource(chip->res_cport);
+	release_and_free_resource(chip->res_buffer);
 	if (chip->irq >= 0)
 		free_irq(chip->irq, (void*)chip);