fix some leaks

src/diff.c

@@ -716,7 +716,7 @@ static int diff_scan_inside_untracked_dir(
 			error = git_iterator_advance(&info->nitem, info->new_iter);
 		}
 
-		return error;
+		goto done;
 	}
 
 	/* look for actual untracked file */
@@ -747,6 +747,7 @@ static int diff_scan_inside_untracked_dir(
 			break;
 	}
 
+done:
 	git_buf_free(&base);
 
 	return error;

src/index.c

@@ -349,6 +349,7 @@ static void index_free(git_index *index)
 {
 	git_index_clear(index);
 	git_vector_free(&index->entries);
+	git_vector_free(&index->names);
 	git_vector_free(&index->reuc);
 
 	git__free(index->index_file_path);

src/transports/smart_protocol.c

@@ -23,10 +23,16 @@ int git_smart__store_refs(transport_smart *t, int flushes)
 	int error, flush = 0, recvd;
 	const char *line_end;
 	git_pkt *pkt;
+	git_pkt_ref *ref;
+	size_t i;
 
 	/* Clear existing refs in case git_remote_connect() is called again
 	 * after git_remote_disconnect().
 	 */
+	git_vector_foreach(refs, i, ref) {
+		git__free(ref->head.name);
+		git__free(ref);
+	}
 	git_vector_clear(refs);
 
 	do {

tests-clar/commit/parse.c

@@ -386,10 +386,6 @@ This commit has a few LF at the start of the commit message";
 \n\
 This commit has a few LF at the start of the commit message";
 
-	commit = (git_commit*)git__malloc(sizeof(git_commit));
-	memset(commit, 0x0, sizeof(git_commit));
-	commit->object.repo = g_repo;
-
 	cl_git_pass(parse_commit(&commit, buffer));
 	cl_assert_equal_s(message, git_commit_message(commit));
 	git_commit__free(commit);

tests-clar/submodule/status.c

@@ -409,4 +409,6 @@ void test_submodule_status__untracked_dirs_containing_ignored_files(void)
 		GIT_SUBMODULE_STATUS_IN_WD;
 
 	cl_assert(status == expected);
+
+	git_buf_free(&path);
 }