[PATCH -next] misc: ocxl: use DEFINE_MUTEX (and mutex_init() had been too late)

From: Zheng Yongjun
Date: Wed Dec 23 2020 - 09:12:32 EST


Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
---
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");
--
2.22.0