check return value from parse_commit() in various functions

Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/commit.c b/commit.c
index 5d57450de3..22ce776863 100644
--- a/commit.c
+++ b/commit.c
@@ -387,8 +387,7 @@ struct commit *pop_most_recent_commit(struct commit_list **list,
 
 	while (parents) {
 		struct commit *commit = parents->item;
-		parse_commit(commit);
-		if (!(commit->object.flags & mark)) {
+		if (!parse_commit(commit) && !(commit->object.flags & mark)) {
 			commit->object.flags |= mark;
 			insert_by_date(commit, list);
 		}