BUGFIX: safe list_del when destroying cp_info

timemath · Nov 9, 2015 · ee75a44 · ee75a44
1 parent 9929e6e
commit ee75a44
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/fs/hmfs/checkpoint.c b/fs/hmfs/checkpoint.c
@@ -297,10 +297,10 @@ int init_checkpoint_manager(struct hmfs_sb_info *sbi)
 static void destroy_checkpoint_info(struct hmfs_cm_info *cm_i)
 {
 	struct checkpoint_info *cp_i = cm_i->last_cp_i, *entry;
-	struct list_head *head, *this;
+	struct list_head *head, *this, *tmp;
 
 	head = &cp_i->list;
-	list_for_each(this, head) {
+	list_for_each_safe(this, tmp, head) {
 		entry = list_entry(this, struct checkpoint_info, list);
 		list_del(this);
 		radix_tree_delete(&cm_i->cp_tree_root, entry->version);