xnu-2422.115.4.tar.gz

[apple/xnu.git] / bsd / miscfs / devfs / devfs_tree.c

diff --git a/bsd/miscfs/devfs/devfs_tree.c b/bsd/miscfs/devfs/devfs_tree.c
index 58aea8eb97614230c48e13f297edcd4db1554dae..daf8c8ace913bc1f70813baec3f5bad7add29f72 100644 (file)
--- a/bsd/miscfs/devfs/devfs_tree.c
+++ b/bsd/miscfs/devfs/devfs_tree.c
@@ -148,6 +148,7 @@ lck_grp_t   * devfs_lck_grp;
 lck_grp_attr_t * devfs_lck_grp_attr;
 lck_attr_t     * devfs_lck_attr;
 lck_mtx_t        devfs_mutex;
+lck_mtx_t        devfs_attr_mutex;
 
 devdirent_t *          dev_root = NULL;        /* root of backing tree */
 struct devfs_stats     devfs_stats;            /* hold stats */
@@ -185,6 +186,7 @@ devfs_sinit(void)
        devfs_lck_attr = lck_attr_alloc_init();
 
        lck_mtx_init(&devfs_mutex, devfs_lck_grp, devfs_lck_attr);
+       lck_mtx_init(&devfs_attr_mutex, devfs_lck_grp, devfs_lck_attr);
 
        DEVFS_LOCK();
         error = dev_add_entry("root", NULL, DEV_DIR, NULL, NULL, NULL, &dev_root);