[PATCH 1/4] trailer: push free_arg_item up

[Paolo Bonzini <pbonzini@redhat.com>]

All callees of process_trailers_lists are calling free_arg_item.
Just do it in process_trailers_lists itself.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 trailer.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/trailer.c b/trailer.c
index 3ba157ed0..4ba28ae33 100644
--- a/trailer.c
+++ b/trailer.c
@@ -178,7 +178,6 @@ static struct trailer_item *trailer_from_arg(struct arg_item *arg_tok)
 	new->token = arg_tok->token;
 	new->value = arg_tok->value;
 	arg_tok->token = arg_tok->value = NULL;
-	free_arg_item(arg_tok);
 	return new;
 }
 
@@ -271,7 +270,6 @@ static void apply_arg_if_exists(struct trailer_item *in_tok,
 {
 	switch (arg_tok->conf.if_exists) {
 	case EXISTS_DO_NOTHING:
-		free_arg_item(arg_tok);
 		break;
 	case EXISTS_REPLACE:
 		apply_item_command(in_tok, arg_tok);
@@ -287,15 +285,11 @@ static void apply_arg_if_exists(struct trailer_item *in_tok,
 		apply_item_command(in_tok, arg_tok);
 		if (check_if_different(in_tok, arg_tok, 1, head))
 			add_arg_to_input_list(on_tok, arg_tok);
-		else
-			free_arg_item(arg_tok);
 		break;
 	case EXISTS_ADD_IF_DIFFERENT_NEIGHBOR:
 		apply_item_command(in_tok, arg_tok);
 		if (check_if_different(on_tok, arg_tok, 0, head))
 			add_arg_to_input_list(on_tok, arg_tok);
-		else
-			free_arg_item(arg_tok);
 		break;
 	default:
 		die("BUG: trailer.c: unhandled value %d",
@@ -311,7 +305,6 @@ static void apply_arg_if_missing(struct list_head *head,
 
 	switch (arg_tok->conf.if_missing) {
 	case MISSING_DO_NOTHING:
-		free_arg_item(arg_tok);
 		break;
 	case MISSING_ADD:
 		where = arg_tok->conf.where;
@@ -374,6 +367,8 @@ static void process_trailers_lists(struct list_head *head,
 
 		if (!applied)
 			apply_arg_if_missing(head, arg_tok);
+
+		free_arg_item(arg_tok);
 	}
 }
 
-- 
2.14.2