[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/isa/sb/emu8000.c b/sound/isa/sb/emu8000.c
index 5375705..95540f1 100644
--- a/sound/isa/sb/emu8000.c
+++ b/sound/isa/sb/emu8000.c
@@ -1054,18 +1054,9 @@
  */
 static int snd_emu8000_free(emu8000_t *hw)
 {
-	if (hw->res_port1) {
-		release_resource(hw->res_port1);
-		kfree_nocheck(hw->res_port1);
-	}
-	if (hw->res_port2) {
-		release_resource(hw->res_port2);
-		kfree_nocheck(hw->res_port2);
-	}
-	if (hw->res_port3) {
-		release_resource(hw->res_port3);
-		kfree_nocheck(hw->res_port3);
-	}
+	release_and_free_resource(hw->res_port1);
+	release_and_free_resource(hw->res_port2);
+	release_and_free_resource(hw->res_port3);
 	kfree(hw);
 	return 0;
 }