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-rw-r--r--fs/sysfs/dir.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 0050fc40e8c9..5fad489ce5bc 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -894,7 +894,8 @@ int sysfs_move_dir(struct kobject *kobj, struct kobject *new_parent_kobj)
894 894
895 mutex_lock(&sysfs_rename_mutex); 895 mutex_lock(&sysfs_rename_mutex);
896 BUG_ON(!sd->s_parent); 896 BUG_ON(!sd->s_parent);
897 new_parent_sd = new_parent_kobj->sd ? new_parent_kobj->sd : &sysfs_root; 897 new_parent_sd = (new_parent_kobj && new_parent_kobj->sd) ?
898 new_parent_kobj->sd : &sysfs_root;
898 899
899 error = 0; 900 error = 0;
900 if (sd->s_parent == new_parent_sd) 901 if (sd->s_parent == new_parent_sd)