[PATCH v4 06/17] submodule--helper: add and use *_release() functions

["Ævar Arnfjörð Bjarmason" <avarab@gmail.com>]

Add release functions for "struct module_list", "struct
submodule_update_clone" and "struct update_data".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 builtin/submodule--helper.c      | 28 +++++++++++++++++++++++++++-
 t/t6134-pathspec-in-submodule.sh |  1 +
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 35a168009b7..48507a6e0df 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -160,6 +160,11 @@ struct module_list {
 };
 #define MODULE_LIST_INIT { 0 }
 
+static void module_list_release(struct module_list *ml)
+{
+	free(ml->entries);
+}
+
 static int module_list_compute(int argc, const char **argv,
 			       const char *prefix,
 			       struct pathspec *pathspec,
@@ -222,7 +227,7 @@ static void module_list_active(struct module_list *list)
 		active_modules.entries[active_modules.nr++] = ce;
 	}
 
-	free(list->entries);
+	module_list_release(list);
 	*list = active_modules;
 }
 
@@ -395,6 +400,7 @@ static int module_foreach(int argc, const char **argv, const char *prefix)
 
 	ret = 0;
 cleanup:
+	module_list_release(&list);
 	clear_pathspec(&pathspec);
 	return ret;
 }
@@ -540,6 +546,7 @@ static int module_init(int argc, const char **argv, const char *prefix)
 
 	ret = 0;
 cleanup:
+	module_list_release(&list);
 	clear_pathspec(&pathspec);
 	return ret;
 }
@@ -717,6 +724,7 @@ static int module_status(int argc, const char **argv, const char *prefix)
 
 	ret = 0;
 cleanup:
+	module_list_release(&list);
 	clear_pathspec(&pathspec);
 	return ret;
 }
@@ -1289,6 +1297,7 @@ static int module_sync(int argc, const char **argv, const char *prefix)
 
 	ret = 0;
 cleanup:
+	module_list_release(&list);
 	clear_pathspec(&pathspec);
 	return ret;
 }
@@ -1441,6 +1450,7 @@ static int module_deinit(int argc, const char **argv, const char *prefix)
 
 	ret = 0;
 cleanup:
+	module_list_release(&list);
 	clear_pathspec(&pathspec);
 	return ret;
 }
@@ -1810,6 +1820,12 @@ struct submodule_update_clone {
 };
 #define SUBMODULE_UPDATE_CLONE_INIT { 0 }
 
+static void submodule_update_clone_release(struct submodule_update_clone *suc)
+{
+	free(suc->update_clone);
+	free(suc->failed_clones);
+}
+
 struct update_data {
 	const char *prefix;
 	const char *displaypath;
@@ -1848,6 +1864,11 @@ struct update_data {
 	.max_jobs = 1, \
 }
 
+static void update_data_release(struct update_data *ud)
+{
+	module_list_release(&ud->list);
+}
+
 static void next_submodule_warn_missing(struct submodule_update_clone *suc,
 		struct strbuf *out, const char *displaypath)
 {
@@ -2530,6 +2551,7 @@ static int update_submodules(struct update_data *update_data)
 	}
 
 cleanup:
+	submodule_update_clone_release(&suc);
 	string_list_clear(&update_data->references, 0);
 	return res;
 }
@@ -2627,6 +2649,7 @@ static int module_update(int argc, const char **argv, const char *prefix)
 
 		if (module_list_compute(argc, argv, opt.prefix,
 					&pathspec2, &list) < 0) {
+			module_list_release(&list);
 			ret = 1;
 			goto cleanup;
 		}
@@ -2643,10 +2666,12 @@ static int module_update(int argc, const char **argv, const char *prefix)
 			info.flags |= OPT_QUIET;
 
 		for_each_listed_submodule(&list, init_submodule_cb, &info);
+		module_list_release(&list);
 	}
 
 	ret = update_submodules(&opt);
 cleanup:
+	update_data_release(&opt);
 	list_objects_filter_release(&filter_options);
 	clear_pathspec(&pathspec);
 	clear_pathspec(&pathspec2);
@@ -2762,6 +2787,7 @@ static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
 	ret = 0;
 cleanup:
 	clear_pathspec(&pathspec);
+	module_list_release(&list);
 	return ret;
 }
 
diff --git a/t/t6134-pathspec-in-submodule.sh b/t/t6134-pathspec-in-submodule.sh
index 0f1cb49cedc..3a241f259de 100755
--- a/t/t6134-pathspec-in-submodule.sh
+++ b/t/t6134-pathspec-in-submodule.sh
@@ -2,6 +2,7 @@
 
 test_description='test case exclude pathspec'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success 'setup a submodule' '
-- 
2.37.1.1197.g7ed548b7807