@@ -125,6 +125,9 @@ int data_nodes_cmp(void *priv, struct list_head *a, struct list_head *b)
struct ubifs_scan_node *sa, *sb;
cond_resched();
+ if (a == b)
+ return 0;
+
sa = list_entry(a, struct ubifs_scan_node, list);
sb = list_entry(b, struct ubifs_scan_node, list);
@@ -165,6 +168,9 @@ int nondata_nodes_cmp(void *priv, struct list_head *a, struct list_head *b)
struct ubifs_scan_node *sa, *sb;
cond_resched();
+ if (a == b)
+ return 0;
+
sa = list_entry(a, struct ubifs_scan_node, list);
sb = list_entry(b, struct ubifs_scan_node, list);