From: Matthew Wilcox <mawilcox@microsoft.com>
Date: Sun, 29 Jan 2017 06:52:55 +0000 (-0500)
Subject: radix tree test suite: Fix leaks in regression2.c
X-Git-Tag: v4.11-rc1~44^2~6
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6da0396cac7692b6667c09382a746593fff90e6d;p=karo-tx-linux.git

radix tree test suite: Fix leaks in regression2.c

None of the malloc'ed data structures were ever being freed.  Found with
-fsanitize=address.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Reviewed-by: Rehas Sachdeva <aquannie@gmail.com>
---

diff --git a/tools/testing/radix-tree/regression2.c b/tools/testing/radix-tree/regression2.c
index a24d1beec7c8..42dd2a33ed24 100644
--- a/tools/testing/radix-tree/regression2.c
+++ b/tools/testing/radix-tree/regression2.c
@@ -103,7 +103,7 @@ void regression2_test(void)
 
 	/* 4. */
 	for (i = max_slots - 1; i >= 0; i--)
-		radix_tree_delete(&mt_tree, i);
+		free(radix_tree_delete(&mt_tree, i));
 
 	/* 5. */
 	// NOTE: start should not be 0 because radix_tree_gang_lookup_tag_slot
@@ -114,7 +114,9 @@ void regression2_test(void)
 		PAGECACHE_TAG_TOWRITE);
 
 	/* We remove all the remained nodes */
-	radix_tree_delete(&mt_tree, max_slots);
+	free(radix_tree_delete(&mt_tree, max_slots));
+
+	BUG_ON(!radix_tree_empty(&mt_tree));
 
 	printv(1, "regression test 2, done\n");
 }