coccinelle: make use of the "type" FREE_AND_NULL() rule

Apply the result of the just-added coccinelle rule. This manually
excludes a few occurrences, mostly things that resulted in many
FREE_AND_NULL() on one line, that'll be manually fixed in a subsequent
change.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/config.c b/config.c
index 34a139c40b..0501a60dd2 100644
--- a/config.c
+++ b/config.c
@@ -395,8 +395,7 @@ static int git_config_parse_key_1(const char *key, char **store_key, int *basele
 
 out_free_ret_1:
 	if (store_key) {
-		free(*store_key);
-		*store_key = NULL;
+		FREE_AND_NULL(*store_key);
 	}
 	return -CONFIG_INVALID_KEY;
 }