[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/drivers/mpu401/mpu401_uart.c b/sound/drivers/mpu401/mpu401_uart.c
index fe3f921..bdeb2c0 100644
--- a/sound/drivers/mpu401/mpu401_uart.c
+++ b/sound/drivers/mpu401/mpu401_uart.c
@@ -423,10 +423,7 @@
 	mpu401_t *mpu = rmidi->private_data;
 	if (mpu->irq_flags && mpu->irq >= 0)
 		free_irq(mpu->irq, (void *) mpu);
-	if (mpu->res) {
-		release_resource(mpu->res);
-		kfree_nocheck(mpu->res);
-	}
+	release_and_free_resource(mpu->res);
 	kfree(mpu);
 }