[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;
 }
diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c
index 7888783..c2fa451 100644
--- a/sound/isa/sb/sb16.c
+++ b/sound/isa/sb/sb16.c
@@ -345,10 +345,7 @@
         
 	if (acard == NULL)
 		return;
-	if (acard->fm_res) {
-		release_resource(acard->fm_res);
-		kfree_nocheck(acard->fm_res);
-	}
+	release_and_free_resource(acard->fm_res);
 }
 
 #ifdef CONFIG_PNP
diff --git a/sound/isa/sb/sb8.c b/sound/isa/sb/sb8.c
index c41ac25..0bc0a3a 100644
--- a/sound/isa/sb/sb8.c
+++ b/sound/isa/sb/sb8.c
@@ -78,10 +78,7 @@
 
 	if (acard == NULL)
 		return;
-	if (acard->fm_res) {
-		release_resource(acard->fm_res);
-		kfree_nocheck(acard->fm_res);
-	}
+	release_and_free_resource(acard->fm_res);
 }
 
 static int __init snd_sb8_probe(int dev)
diff --git a/sound/isa/sb/sb_common.c b/sound/isa/sb/sb_common.c
index f0f205a..46b9480 100644
--- a/sound/isa/sb/sb_common.c
+++ b/sound/isa/sb/sb_common.c
@@ -178,10 +178,8 @@
 
 static int snd_sbdsp_free(sb_t *chip)
 {
-	if (chip->res_port) {
-		release_resource(chip->res_port);
-		kfree_nocheck(chip->res_port);
-	}
+	if (chip->res_port)
+		release_and_free_resource(chip->res_port);
 	if (chip->irq >= 0)
 		free_irq(chip->irq, (void *) chip);
 #ifdef CONFIG_ISA