[PATCH] iommu: Remove usage of the deprecated ida_simple_xxx API

[PATCH] iommu: Remove usage of the deprecated ida_simple_xxx API

[Bo Liu]

Use ida_alloc_xxx()/ida_free() instead of
ida_simple_get()/ida_simple_remove().
The latter is deprecated and more verbose.

Signed-off-by: Bo Liu <liubo03@inspur.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 847ad47a2dfd..cdc86c39954e 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -600,7 +600,7 @@ 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);
@@ -641,7 +641,7 @@ struct iommu_group *iommu_group_alloc(void)
 	INIT_LIST_HEAD(&group->devices);
 	INIT_LIST_HEAD(&group->entry);
 
-	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);
@@ -651,7 +651,7 @@ 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);
 	}
-- 
2.27.0

Re: [PATCH] iommu: Remove usage of the deprecated ida_simple_xxx API

[Joerg Roedel]

On Thu, Jun 16, 2022 at 10:05:55PM -0400, Bo Liu wrote:
> Use ida_alloc_xxx()/ida_free() instead of
> ida_simple_get()/ida_simple_remove().
> The latter is deprecated and more verbose.
> 
> Signed-off-by: Bo Liu <liubo03@inspur.com>
> ---
>  drivers/iommu/iommu.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Sorry, just applied this similar change:

https://lore.kernel.org/r/20220608021655.1538087-1-liuke94@huawei.com