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-rw-r--r--lib/radix-tree.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 5086bb9..7ea2e03 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -736,10 +736,11 @@ next:
}
}
/*
- * The iftag must have been set somewhere because otherwise
- * we would return immediated at the beginning of the function
+ * We need not to tag the root tag if there is no tag which is set with
+ * settag within the range from *first_indexp to last_index.
*/
- root_tag_set(root, settag);
+ if (tagged > 0)
+ root_tag_set(root, settag);
*first_indexp = index;
return tagged;
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