get_shallow_commits: Avoid memory leak if a commit has been reached already.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/shallow.c b/shallow.c
index 2db1dc428f80bb4e28ca5a059720433d12131d4a..3d53d17423a73a1e206ee631c33ec7a88c40707a 100644 (file)
--- a/shallow.c
+++ b/shallow.c
@@ -60,7 +60,9 @@ struct commit_list *get_shallow_commits(struct object_array *heads, int depth,
                                        commit = NULL;
                                        continue;
                                }
-                               commit->util = xcalloc(1, sizeof(int));
+                               if (!commit->util)
+                                       commit->util = xmalloc(sizeof(int));
+                               *(int *)commit->util = 0;
                                cur_depth = 0;
                        } else {
                                commit = (struct commit *)