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misc: ocxl: use DEFINE_MUTEX() for mutex lock
author
Zheng Yongjun
<zhengyongjun3@huawei.com>
Thu, 24 Dec 2020 13:24:46 +0000
(21:24 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Tue, 5 Jan 2021 13:40:10 +0000
(14:40 +0100)
mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link:
https://lore.kernel.org/r/20201224132446.31286-1-zhengyongjun3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/ocxl/file.c
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diff --git
a/drivers/misc/ocxl/file.c
b/drivers/misc/ocxl/file.c
index
4d1b44d
..
e70525e
100644
(file)
--- 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");