diff mbox series

[v2,-next] misc: ocxl: use DEFINE_MUTEX() for mutex lock

Message ID 20201224132446.31286-1-zhengyongjun3@huawei.com (mailing list archive)
State Accepted
Headers show
Series [v2,-next] misc: ocxl: use DEFINE_MUTEX() for mutex lock | expand

Commit Message

Zheng Yongjun Dec. 24, 2020, 1:24 p.m. UTC
mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
 drivers/misc/ocxl/file.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Frederic Barrat Jan. 4, 2021, 8:50 a.m. UTC | #1
On 24/12/2020 14:24, Zheng Yongjun wrote:
> mutex lock can be initialized automatically with DEFINE_MUTEX()
> rather than explicitly calling mutex_init().
> 
> Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
> ---


Thanks!
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>



>   drivers/misc/ocxl/file.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c
> index 4d1b44de1492..e70525eedaae 100644
> --- a/drivers/misc/ocxl/file.c
> +++ b/drivers/misc/ocxl/file.c
> @@ -15,7 +15,7 @@
>   
>   static dev_t ocxl_dev;
>   static struct class *ocxl_class;
> -static struct mutex minors_idr_lock;
> +static DEFINE_MUTEX(minors_idr_lock);
>   static struct idr minors_idr;
>   
>   static struct ocxl_file_info *find_and_get_file_info(dev_t devno)
> @@ -588,7 +588,6 @@ int ocxl_file_init(void)
>   {
>   	int rc;
>   
> -	mutex_init(&minors_idr_lock);
>   	idr_init(&minors_idr);
>   
>   	rc = alloc_chrdev_region(&ocxl_dev, 0, OCXL_NUM_MINORS, "ocxl");
>
Andrew Donnellan Jan. 5, 2021, 9:53 p.m. UTC | #2
On 25/12/20 12:24 am, Zheng Yongjun wrote:
> mutex lock can be initialized automatically with DEFINE_MUTEX()
> rather than explicitly calling mutex_init().
> 
> Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>

Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Michael Ellerman Feb. 3, 2021, 11:40 a.m. UTC | #3
On Thu, 24 Dec 2020 21:24:46 +0800, Zheng Yongjun wrote:
> mutex lock can be initialized automatically with DEFINE_MUTEX()
> rather than explicitly calling mutex_init().

Applied to powerpc/next.

[1/1] ocxl: use DEFINE_MUTEX() for mutex lock
      https://git.kernel.org/powerpc/c/52f6b0a90bcf573ba8a33e97544c7b6f292376a4

cheers
diff mbox series

Patch

diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c
index 4d1b44de1492..e70525eedaae 100644
--- a/drivers/misc/ocxl/file.c
+++ b/drivers/misc/ocxl/file.c
@@ -15,7 +15,7 @@ 
 
 static dev_t ocxl_dev;
 static struct class *ocxl_class;
-static struct mutex minors_idr_lock;
+static DEFINE_MUTEX(minors_idr_lock);
 static struct idr minors_idr;
 
 static struct ocxl_file_info *find_and_get_file_info(dev_t devno)
@@ -588,7 +588,6 @@  int ocxl_file_init(void)
 {
 	int rc;
 
-	mutex_init(&minors_idr_lock);
 	idr_init(&minors_idr);
 
 	rc = alloc_chrdev_region(&ocxl_dev, 0, OCXL_NUM_MINORS, "ocxl");