apply: free unused fragments for submodule patch

We simply discarded the fragments that we are not going to use upon seeing
a patch to update the submodule commit bound at path that we have not
checked out.

Free these fragments, not to leak them.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/apply.c b/builtin/apply.c
index c65fb3f8dad04b22f5357e019eb87fa4d0d47bfe..9491d38abab4ef11f225e0ca9380d6f5fe44ac1e 100644 (file)
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -196,17 +196,20 @@ struct patch {
        struct patch *next;
 };
 
-static void free_patch(struct patch *patch)
+static void free_fragment_list(struct fragment *list)
 {
-       struct fragment *fragment = patch->fragments;
-
-       while (fragment) {
-               struct fragment *fragment_next = fragment->next;
-               if (fragment->patch != NULL && fragment->free_patch)
-                       free((char *)fragment->patch);
-               free(fragment);
-               fragment = fragment_next;
+       while (list) {
+               struct fragment *next = list->next;
+               if (list->free_patch)
+                       free((char *)list->patch);
+               free(list);
+               list = next;
        }
+}
+
+static void free_patch(struct patch *patch)
+{
+       free_fragment_list(patch->fragments);
        free(patch->def_name);
        free(patch->old_name);
        free(patch->new_name);
@@ -2992,7 +2995,10 @@ static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *
                                /*
                                 * There is no way to apply subproject
                                 * patch without looking at the index.
+                                * NEEDSWORK: shouldn't this be flagged
+                                * as an error???
                                 */
+                               free_fragment_list(patch->fragments);
                                patch->fragments = NULL;
                        }
                } else {