From 7e18e56920bd38ffc1f2c068d943bfd3f012473d Mon Sep 17 00:00:00 2001
From: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Date: Fri, 4 Aug 2006 10:54:08 +0200
Subject: git-tar-tree: fix minor memory leak

Free the root tree object buffer when we're done, plugging a minor leak
in generate_tar().  Note: we cannot simply free(tree.buf) because this
pointer is modified by tree_entry() calls in traverse_tree().

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-tar-tree.c b/builtin-tar-tree.c
index 7c48db9..215892b 100644
--- a/builtin-tar-tree.c
+++ b/builtin-tar-tree.c
@@ -314,6 +314,7 @@ static int generate_tar(int argc, const char **argv, const char *prefix)
 	struct commit *commit;
 	struct tree_desc tree;
 	struct strbuf current_path;
+	void *buffer;
 
 	current_path.buf = xmalloc(PATH_MAX);
 	current_path.alloc = PATH_MAX;
@@ -341,8 +342,8 @@ static int generate_tar(int argc, const char **argv, const char *prefix)
 	} else
 		archive_time = time(NULL);
 
-	tree.buf = read_object_with_reference(sha1, tree_type, &tree.size,
-	                                      tree_sha1);
+	tree.buf = buffer = read_object_with_reference(sha1, tree_type,
+	                                               &tree.size, tree_sha1);
 	if (!tree.buf)
 		die("not a reference to a tag, commit or tree object: %s",
 		    sha1_to_hex(sha1));
@@ -351,6 +352,7 @@ static int generate_tar(int argc, const char **argv, const char *prefix)
 		write_entry(tree_sha1, &current_path, 040777, NULL, 0);
 	traverse_tree(&tree, &current_path);
 	write_trailer();
+	free(buffer);
 	free(current_path.buf);
 	return 0;
 }
-- 
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