lib: test-ostream-multiplex - Check flush return value

Fixes coverity nit

diff --git a/src/lib/test-ostream-multiplex.c b/src/lib/test-ostream-multiplex.c
index 4f5ef02c521a4d3d7568cd8c80a6aa2a71bfdbb4..20feab98aa77cb01c317fd653373dd0be5bd6a68 100644 (file)
--- a/src/lib/test-ostream-multiplex.c
+++ b/src/lib/test-ostream-multiplex.c
@@ -168,7 +168,7 @@ static void test_ostream_multiplex_cork(void)
        o_stream_cork(chan0);
        o_stream_nsendv(chan0, iov, N_ELEMENTS(iov));
        o_stream_uncork(chan0);
-       o_stream_flush(os);
+       test_assert(o_stream_flush(os) == 1);
 
        /* check output */
        test_assert(memcmp(output->data, "\0\0\0\0\f", 5) == 0);