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SubjectRe: [PATCH v2 -next] misc: ocxl: use DEFINE_MUTEX() for mutex lock
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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");
>

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