[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/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c
index 1f84d78..0624650 100644
--- a/sound/drivers/opl3/opl3_lib.c
+++ b/sound/drivers/opl3/opl3_lib.c
@@ -325,14 +325,8 @@
 	snd_assert(opl3 != NULL, return -ENXIO);
 	if (opl3->private_free)
 		opl3->private_free(opl3);
-	if (opl3->res_l_port) {
-		release_resource(opl3->res_l_port);
-		kfree_nocheck(opl3->res_l_port);
-	}
-	if (opl3->res_r_port) {
-		release_resource(opl3->res_r_port);
-		kfree_nocheck(opl3->res_r_port);
-	}
+	release_and_free_resource(opl3->res_l_port);
+	release_and_free_resource(opl3->res_r_port);
 	kfree(opl3);
 	return 0;
 }