1 files changed, 44 insertions, 55 deletions

diff --git a/sound/pci/ctxfi/ctamixer.c b/sound/pci/ctxfi/ctamixer.c
index 5fcbb065d870..bb4658592636 100644
--- a/sound/pci/ctxfi/ctamixer.c
+++ b/sound/pci/ctxfi/ctamixer.c
@@ -1,10 +1,7 @@
-/**
+// SPDX-License-Identifier: GPL-2.0-only
+/*
  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
  *
- * This source file is released under GPL v2 license (no other versions).
- * See the COPYING file included in the main directory of this source
- * distribution for the license terms and conditions.
- *
  * @File	ctamixer.c
  *
  * @Brief
@@ -13,7 +10,6 @@
  *
  * @Author	Liu Chun
  * @Date 	May 21 2008
- *
  */
 
 #include "ctamixer.h"
@@ -27,16 +23,15 @@
 
 #define BLANK_SLOT		4094
 
-static int amixer_master(struct rsc *rsc)
+static void amixer_master(struct rsc *rsc)
 {
 	rsc->conj = 0;
-	return rsc->idx = container_of(rsc, struct amixer, rsc)->idx[0];
+	rsc->idx = container_of(rsc, struct amixer, rsc)->idx[0];
 }
 
-static int amixer_next_conj(struct rsc *rsc)
+static void amixer_next_conj(struct rsc *rsc)
 {
 	rsc->conj++;
-	return container_of(rsc, struct amixer, rsc)->idx[rsc->conj];
 }
 
 static int amixer_index(const struct rsc *rsc)
@@ -236,7 +231,6 @@ static int get_amixer_rsc(struct amixer_mgr *mgr,
 	int err, i;
 	unsigned int idx;
 	struct amixer *amixer;
-	unsigned long flags;
 
 	*ramixer = NULL;
 
@@ -248,15 +242,15 @@ static int get_amixer_rsc(struct amixer_mgr *mgr,
 	/* Check whether there are sufficient
 	 * amixer resources to meet request. */
 	err = 0;
-	spin_lock_irqsave(&mgr->mgr_lock, flags);
-	for (i = 0; i < desc->msr; i++) {
-		err = mgr_get_resource(&mgr->mgr, 1, &idx);
-		if (err)
-			break;
+	scoped_guard(spinlock_irqsave, &mgr->mgr_lock) {
+		for (i = 0; i < desc->msr; i++) {
+			err = mgr_get_resource(&mgr->mgr, 1, &idx);
+			if (err)
+				break;
 
-		amixer->idx[i] = idx;
+			amixer->idx[i] = idx;
+		}
 	}
-	spin_unlock_irqrestore(&mgr->mgr_lock, flags);
 	if (err) {
 		dev_err(mgr->card->dev,
 			"Can't meet AMIXER resource request!\n");
@@ -272,32 +266,30 @@ static int get_amixer_rsc(struct amixer_mgr *mgr,
 	return 0;
 
 error:
-	spin_lock_irqsave(&mgr->mgr_lock, flags);
-	for (i--; i >= 0; i--)
-		mgr_put_resource(&mgr->mgr, 1, amixer->idx[i]);
+	scoped_guard(spinlock_irqsave, &mgr->mgr_lock) {
+		for (i--; i >= 0; i--)
+			mgr_put_resource(&mgr->mgr, 1, amixer->idx[i]);
+	}
 
-	spin_unlock_irqrestore(&mgr->mgr_lock, flags);
 	kfree(amixer);
 	return err;
 }
 
 static int put_amixer_rsc(struct amixer_mgr *mgr, struct amixer *amixer)
 {
-	unsigned long flags;
 	int i;
 
-	spin_lock_irqsave(&mgr->mgr_lock, flags);
-	for (i = 0; i < amixer->rsc.msr; i++)
-		mgr_put_resource(&mgr->mgr, 1, amixer->idx[i]);
-
-	spin_unlock_irqrestore(&mgr->mgr_lock, flags);
+	scoped_guard(spinlock_irqsave, &mgr->mgr_lock) {
+		for (i = 0; i < amixer->rsc.msr; i++)
+			mgr_put_resource(&mgr->mgr, 1, amixer->idx[i]);
+	}
 	amixer_rsc_uninit(amixer);
 	kfree(amixer);
 
 	return 0;
 }
 
-int amixer_mgr_create(struct hw *hw, struct amixer_mgr **ramixer_mgr)
+int amixer_mgr_create(struct hw *hw, void **ramixer_mgr)
 {
 	int err;
 	struct amixer_mgr *amixer_mgr;
@@ -326,8 +318,9 @@ error:
 	return err;
 }
 
-int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr)
+int amixer_mgr_destroy(void *ptr)
 {
+	struct amixer_mgr *amixer_mgr = ptr;
 	rsc_mgr_uninit(&amixer_mgr->mgr);
 	kfree(amixer_mgr);
 	return 0;
@@ -335,16 +328,15 @@ int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr)
 
 /* SUM resource management */
 
-static int sum_master(struct rsc *rsc)
+static void sum_master(struct rsc *rsc)
 {
 	rsc->conj = 0;
-	return rsc->idx = container_of(rsc, struct sum, rsc)->idx[0];
+	rsc->idx = container_of(rsc, struct sum, rsc)->idx[0];
 }
 
-static int sum_next_conj(struct rsc *rsc)
+static void sum_next_conj(struct rsc *rsc)
 {
 	rsc->conj++;
-	return container_of(rsc, struct sum, rsc)->idx[rsc->conj];
 }
 
 static int sum_index(const struct rsc *rsc)
@@ -392,7 +384,6 @@ static int get_sum_rsc(struct sum_mgr *mgr,
 	int err, i;
 	unsigned int idx;
 	struct sum *sum;
-	unsigned long flags;
 
 	*rsum = NULL;
 
@@ -403,15 +394,15 @@ static int get_sum_rsc(struct sum_mgr *mgr,
 
 	/* Check whether there are sufficient sum resources to meet request. */
 	err = 0;
-	spin_lock_irqsave(&mgr->mgr_lock, flags);
-	for (i = 0; i < desc->msr; i++) {
-		err = mgr_get_resource(&mgr->mgr, 1, &idx);
-		if (err)
-			break;
+	scoped_guard(spinlock_irqsave, &mgr->mgr_lock) {
+		for (i = 0; i < desc->msr; i++) {
+			err = mgr_get_resource(&mgr->mgr, 1, &idx);
+			if (err)
+				break;
 
-		sum->idx[i] = idx;
+			sum->idx[i] = idx;
+		}
 	}
-	spin_unlock_irqrestore(&mgr->mgr_lock, flags);
 	if (err) {
 		dev_err(mgr->card->dev,
 			"Can't meet SUM resource request!\n");
@@ -427,32 +418,29 @@ static int get_sum_rsc(struct sum_mgr *mgr,
 	return 0;
 
 error:
-	spin_lock_irqsave(&mgr->mgr_lock, flags);
-	for (i--; i >= 0; i--)
-		mgr_put_resource(&mgr->mgr, 1, sum->idx[i]);
-
-	spin_unlock_irqrestore(&mgr->mgr_lock, flags);
+	scoped_guard(spinlock_irqsave, &mgr->mgr_lock) {
+		for (i--; i >= 0; i--)
+			mgr_put_resource(&mgr->mgr, 1, sum->idx[i]);
+	}
 	kfree(sum);
 	return err;
 }
 
 static int put_sum_rsc(struct sum_mgr *mgr, struct sum *sum)
 {
-	unsigned long flags;
 	int i;
 
-	spin_lock_irqsave(&mgr->mgr_lock, flags);
-	for (i = 0; i < sum->rsc.msr; i++)
-		mgr_put_resource(&mgr->mgr, 1, sum->idx[i]);
-
-	spin_unlock_irqrestore(&mgr->mgr_lock, flags);
+	scoped_guard(spinlock_irqsave, &mgr->mgr_lock) {
+		for (i = 0; i < sum->rsc.msr; i++)
+			mgr_put_resource(&mgr->mgr, 1, sum->idx[i]);
+	}
 	sum_rsc_uninit(sum);
 	kfree(sum);
 
 	return 0;
 }
 
-int sum_mgr_create(struct hw *hw, struct sum_mgr **rsum_mgr)
+int sum_mgr_create(struct hw *hw, void **rsum_mgr)
 {
 	int err;
 	struct sum_mgr *sum_mgr;
@@ -481,8 +469,9 @@ error:
 	return err;
 }
 
-int sum_mgr_destroy(struct sum_mgr *sum_mgr)
+int sum_mgr_destroy(void *ptr)
 {
+	struct sum_mgr *sum_mgr = ptr;
 	rsc_mgr_uninit(&sum_mgr->mgr);
 	kfree(sum_mgr);
 	return 0;