linux-kernel - [PATCH] drivers: iommu: Directly use ida

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Message-ID: <20220527070307.2359150-1-liuke94@huawei.com>
Date:   Fri, 27 May 2022 07:03:07 +0000
From:   keliu <liuke94@...wei.com>
To:     <joro@...tes.org>, <will@...nel.org>,
        <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>
CC:     keliu <liuke94@...wei.com>
Subject: [PATCH] drivers: iommu: Directly use ida_alloc()/free()

Use ida_alloc()/ida_free() instead of deprecated
ida_simple_get()/ida_simple_remove() .

Signed-off-by: keliu <liuke94@...wei.com>
---
 drivers/iommu/iommu.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 857d4c2fd1a2..8d56146a0b44 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -595,7 +595,7 @@ static void iommu_group_release(struct kobject *kobj)
 	if (group->iommu_data_release)
 		group->iommu_data_release(group->iommu_data);
 
-	ida_simple_remove(&iommu_group_ida, group->id);
+	ida_free(&iommu_group_ida, group->id);
 
 	if (group->default_domain)
 		iommu_domain_free(group->default_domain);
@@ -635,7 +635,7 @@ struct iommu_group *iommu_group_alloc(void)
 	INIT_LIST_HEAD(&group->entry);
 	BLOCKING_INIT_NOTIFIER_HEAD(&group->notifier);
 
-	ret = ida_simple_get(&iommu_group_ida, 0, 0, GFP_KERNEL);
+	ret = ida_alloc(&iommu_group_ida, GFP_KERNEL);
 	if (ret < 0) {
 		kfree(group);
 		return ERR_PTR(ret);
@@ -645,7 +645,7 @@ struct iommu_group *iommu_group_alloc(void)
 	ret = kobject_init_and_add(&group->kobj, &iommu_group_ktype,
 				   NULL, "%d", group->id);
 	if (ret) {
-		ida_simple_remove(&iommu_group_ida, group->id);
+		ida_free(&iommu_group_ida, group->id);
 		kobject_put(&group->kobj);
 		return ERR_PTR(ret);
 	}
-- 
2.25.1