[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>

sound/drivers/mpu401/mpu401_uart.c

@@ -423,10 +423,7 @@ static void snd_mpu401_uart_free(snd_rawmidi_t *rmidi)
 	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);
 }
 

sound/drivers/mtpav.c

@@ -717,10 +717,7 @@ static void free_mtpav(mtpav_t * crd)
 	spin_unlock_irqrestore(&crd->spinlock, flags);
 	if (crd->irq >= 0)
 		free_irq(crd->irq, (void *)crd);
-	if (crd->res_port) {
-		release_resource(crd->res_port);
-		kfree_nocheck(crd->res_port);
-	}
+	release_and_free_resource(crd->res_port);
 	kfree(crd);
 }
 

sound/drivers/opl3/opl3_lib.c

@@ -325,14 +325,8 @@ static int snd_opl3_free(opl3_t *opl3)
 	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;
 }

sound/drivers/opl4/opl4_lib.c

@@ -169,14 +169,8 @@ static void snd_opl4_free(opl4_t *opl4)
 #ifdef CONFIG_PROC_FS
 	snd_opl4_free_proc(opl4);
 #endif
-	if (opl4->res_fm_port) {
-		release_resource(opl4->res_fm_port);
-		kfree_nocheck(opl4->res_fm_port);
-	}
-	if (opl4->res_pcm_port) {
-		release_resource(opl4->res_pcm_port);
-		kfree_nocheck(opl4->res_pcm_port);
-	}
+	release_and_free_resource(opl4->res_fm_port);
+	release_and_free_resource(opl4->res_pcm_port);
 	kfree(opl4);
 }
 

sound/drivers/serial-u16550.c

@@ -749,10 +749,7 @@ static int snd_uart16550_free(snd_uart16550_t *uart)
 {
 	if (uart->irq >= 0)
 		free_irq(uart->irq, (void *)uart);
-	if (uart->res_base) {
-		release_resource(uart->res_base);
-		kfree_nocheck(uart->res_base);
-	}
+	release_and_free_resource(uart->res_base);
 	kfree(uart);
 	return 0;
 };

sound/drivers/vx/vx_pcm.c

@@ -79,7 +79,7 @@ static int snd_pcm_alloc_vmalloc_buffer(snd_pcm_substream_t *subs, size_t size)
 		/* already allocated */
 		if (runtime->dma_bytes >= size)
 			return 0; /* already enough large */
-		vfree_nocheck(runtime->dma_area); /* bypass the memory wrapper */
+		vfree(runtime->dma_area);
 	}
 	runtime->dma_area = vmalloc_32(size);
 	if (! runtime->dma_area)
@@ -98,7 +98,7 @@ static int snd_pcm_free_vmalloc_buffer(snd_pcm_substream_t *subs)
 {
 	snd_pcm_runtime_t *runtime = subs->runtime;
 	if (runtime->dma_area) {
-		vfree_nocheck(runtime->dma_area); /* bypass the memory wrapper */
+		vfree(runtime->dma_area);
 		runtime->dma_area = NULL;
 	}
 	return 0;