fsck: treat a NUL in a tag header as an error

We check the return value of verify_header() for commits already, so do
the same for tags as well.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Jeff King <peff@peff.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/fsck.c b/fsck.c
index e41e753d6d..4060f1f551 100644
--- a/fsck.c
+++ b/fsck.c
@@ -711,7 +711,8 @@ static int fsck_tag_buffer(struct tag *tag, const char *data,
 		}
 	}
 
-	if (verify_headers(buffer, size, &tag->object, options))
+	ret = verify_headers(buffer, size, &tag->object, options);
+	if (ret)
 		goto done;
 
 	if (!skip_prefix(buffer, "object ", &buffer)) {