Thread (31 messages) 31 messages, 2 authors, 2018-02-14
STALE3033d REVIEWED: 1 (0M)
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[PATCH v8 14/29] merge-recursive: fix leaks of allocated renames and diff_filepairs

From: Elijah Newren <hidden>
Date: 2018-02-14 18:54:06
Subsystem: the rest · Maintainer: Linus Torvalds

get_renames() has always zero'ed out diff_queued_diff.nr while only
manually free'ing diff_filepairs that did not correspond to renames.
Further, it allocated struct renames that were tucked away in the
return string_list.  Make sure all of these are deallocated when we
are done with them.

Reviewed-by: Stefan Beller <redacted>
Signed-off-by: Elijah Newren <redacted>
---
 merge-recursive.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/merge-recursive.c b/merge-recursive.c
index eac3041261..1986af79a9 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -1662,13 +1662,23 @@ static int handle_renames(struct merge_options *o,
 	return process_renames(o, ri->head_renames, ri->merge_renames);
 }
 
-static void cleanup_renames(struct rename_info *re_info)
+static void cleanup_rename(struct string_list *rename)
 {
-	string_list_clear(re_info->head_renames, 0);
-	string_list_clear(re_info->merge_renames, 0);
+	const struct rename *re;
+	int i;
 
-	free(re_info->head_renames);
-	free(re_info->merge_renames);
+	for (i = 0; i < rename->nr; i++) {
+		re = rename->items[i].util;
+		diff_free_filepair(re->pair);
+	}
+	string_list_clear(rename, 1);
+	free(rename);
+}
+
+static void cleanup_renames(struct rename_info *re_info)
+{
+	cleanup_rename(re_info->head_renames);
+	cleanup_rename(re_info->merge_renames);
 }
 
 static struct object_id *stage_oid(const struct object_id *oid, unsigned mode)
-- 
2.16.1.232.g28d5be9217
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