xnu-7195.101.1.tar.gz

[apple/xnu.git] / bsd / dev / monotonic.c

diff --git a/bsd/dev/monotonic.c b/bsd/dev/monotonic.c
index 6fc42ef7fdbd7d213c06728d7e32b97afa9da7e9..910f222882c39b6751f302cf83e04aa819079fd1 100644 (file)
--- a/bsd/dev/monotonic.c
+++ b/bsd/dev/monotonic.c
@@ -60,7 +60,7 @@ static const struct cdevsw mt_cdevsw = {
 /*
  * Written at initialization, read-only thereafter.
  */
-lck_grp_t *mt_lock_grp = NULL;
+LCK_GRP_DECLARE(mt_lock_grp, MT_NODE);
 static int mt_dev_major;
 
 static mt_device_t
@@ -96,9 +96,6 @@ mt_device_assert_inuse(__assert_only mt_device_t dev)
 int
 mt_dev_init(void)
 {
-       mt_lock_grp = lck_grp_alloc_init(MT_NODE, LCK_GRP_ATTR_NULL);
-       assert(mt_lock_grp != NULL);
-
        mt_dev_major = cdevsw_add(-1 /* allocate a major number */, &mt_cdevsw);
        if (mt_dev_major < 0) {
                panic("monotonic: cdevsw_add failed: %d", mt_dev_major);
@@ -123,7 +120,7 @@ mt_dev_init(void)
                        __builtin_unreachable();
                }
 
-               lck_mtx_init(&mt_devices[i].mtd_lock, mt_lock_grp, LCK_ATTR_NULL);
+               lck_mtx_init(&mt_devices[i].mtd_lock, &mt_lock_grp, LCK_ATTR_NULL);
        }
 
        return 0;