[PATCH 3/5] transport: fix leaks in refs_from_alternate_cb

[Jeff King <peff@peff.net>]

The function starts by creating a copy of the static buffer
returned by real_path, but forgets to free it in the error
code paths. We can solve this by jumping to the cleanup code
that is already there.

Signed-off-by: Jeff King <peff@peff.net>
---
 transport.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/transport.c b/transport.c
index 3e42570..297e981 100644
--- a/transport.c
+++ b/transport.c
@@ -1359,11 +1359,11 @@ static int refs_from_alternate_cb(struct alternate_object_database *e,
 	while (other[len-1] == '/')
 		other[--len] = '\0';
 	if (len < 8 || memcmp(other + len - 8, "/objects", 8))
-		return 0;
+		goto out;
 	/* Is this a git repository with refs? */
 	memcpy(other + len - 8, "/refs", 6);
 	if (!is_directory(other))
-		return 0;
+		goto out;
 	other[len - 8] = '\0';
 	remote = remote_get(other);
 	transport = transport_get(remote, other);
@@ -1372,6 +1372,7 @@ static int refs_from_alternate_cb(struct alternate_object_database *e,
 	     extra = extra->next)
 		cb->fn(extra, cb->data);
 	transport_disconnect(transport);
+out:
 	free(other);
 	return 0;
 }
-- 
2.0.0.566.gfe3e6b2