Merge branch 'sb/leaks'

* sb/leaks:
  http: release the memory of a http pack request as well
  read-cache: fix memleak
  add_to_index(): free unused cache-entry
  commit.c: fix a memory leak
  http-push: remove unneeded cleanup
  merge-recursive: fix memleaks
  merge-blobs.c: fix a memleak
  builtin/apply.c: fix a memleak
  update-index: fix a memleak
  read-cache: free cache entry in add_to_index in case of early return

Author: gitster

builtin/apply.c

@@ -2776,7 +2776,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
 		default:
 			if (apply_verbosely)
 				error(_("invalid start of line: '%c'"), first);
-			return -1;
+			applied_pos = -1;
+			goto out;
 		}
 		if (added_blank_line) {
 			if (!new_blank_lines_at_end)
@@ -2915,6 +2916,7 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
 			      (int)(old - oldlines), oldlines);
 	}
 
+out:
 	free(oldlines);
 	strbuf_release(&newlines);
 	free(preimage.line_allocated);

builtin/commit.c

@@ -229,7 +229,7 @@ static int commit_index_files(void)
 static int list_paths(struct string_list *list, const char *with_tree,
 		      const char *prefix, const struct pathspec *pattern)
 {
-	int i;
+	int i, ret;
 	char *m;
 
 	if (!pattern->nr)
@@ -256,7 +256,9 @@ static int list_paths(struct string_list *list, const char *with_tree,
 			item->util = item; /* better a valid pointer than a fake one */
 	}
 
-	return report_path_error(m, pattern, prefix);
+	ret = report_path_error(m, pattern, prefix);
+	free(m);
+	return ret;
 }
 
 static void add_remove_files(struct string_list *list)

builtin/update-index.c

@@ -584,6 +584,7 @@ static int do_reupdate(int ac, const char **av,
 		path = xstrdup(ce->name);
 		update_one(path);
 		free(path);
+		free(old);
 		if (save_nr != active_nr)
 			goto redo;
 	}

http-push.c

@@ -316,7 +316,6 @@ static void start_fetch_packed(struct transfer_request *request)
 
 	preq = new_http_pack_request(target, repo->url);
 	if (preq == NULL) {
-		release_http_pack_request(preq);
 		repo->can_update_info_refs = 0;
 		return;
 	}

http.c

@@ -1462,6 +1462,7 @@ void release_http_pack_request(struct http_pack_request *preq)
 	}
 	preq->slot = NULL;
 	free(preq->url);
+	free(preq);
 }
 
 int finish_http_pack_request(struct http_pack_request *preq)

merge-blobs.c

@@ -14,8 +14,10 @@ static int fill_mmfile_blob(mmfile_t *f, struct blob *obj)
 	buf = read_sha1_file(obj->object.sha1, &type, &size);
 	if (!buf)
 		return -1;
-	if (type != OBJ_BLOB)
+	if (type != OBJ_BLOB) {
+		free(buf);
 		return -1;
+	}
 	f->ptr = buf;
 	f->size = size;
 	return 0;

merge-recursive.c

@@ -1858,6 +1858,9 @@ int merge_trees(struct merge_options *o,
 		string_list_clear(re_head, 0);
 		string_list_clear(entries, 1);
 
+		free(re_merge);
+		free(re_head);
+		free(entries);
 	}
 	else
 		clean = 1;

read-cache.c

@@ -681,15 +681,18 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
 	alias = index_file_exists(istate, ce->name, ce_namelen(ce), ignore_case);
 	if (alias && !ce_stage(alias) && !ie_match_stat(istate, alias, st, ce_option)) {
 		/* Nothing changed, really */
-		free(ce);
 		if (!S_ISGITLINK(alias->ce_mode))
 			ce_mark_uptodate(alias);
 		alias->ce_flags |= CE_ADDED;
+
+		free(ce);
 		return 0;
 	}
 	if (!intent_only) {
-		if (index_path(ce->sha1, path, st, HASH_WRITE_OBJECT))
+		if (index_path(ce->sha1, path, st, HASH_WRITE_OBJECT)) {
+			free(ce);
 			return error("unable to index file %s", path);
+		}
 	} else
 		set_object_name_for_intent_to_add_entry(ce);
 
@@ -704,9 +707,11 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
 		    ce->ce_mode == alias->ce_mode);
 
 	if (pretend)
-		;
-	else if (add_index_entry(istate, ce, add_option))
-		return error("unable to add %s to index",path);
+		free(ce);
+	else if (add_index_entry(istate, ce, add_option)) {
+		free(ce);
+		return error("unable to add %s to index", path);
+	}
 	if (verbose && !was_same)
 		printf("add '%s'\n", path);
 	return 0;
@@ -743,12 +748,9 @@ struct cache_entry *make_cache_entry(unsigned int mode,
 	ce->ce_mode = create_ce_mode(mode);
 
 	ret = refresh_cache_entry(ce, refresh_options);
-	if (!ret) {
+	if (ret != ce)
 		free(ce);
-		return NULL;
-	} else {
-		return ret;
-	}
+	return ret;
 }
 
 int ce_same_name(const struct cache_entry *a, const struct cache_entry *b)