ringtest: pass buf != NULL

just a stub pointer for now.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/virtio/ringtest/main.c b/tools/virtio/ringtest/main.c
index 3a5ff438bd62..147abb452a6c 100644
--- a/tools/virtio/ringtest/main.c
+++ b/tools/virtio/ringtest/main.c
@@ -115,7 +115,7 @@ static void run_guest(void)
                 do {
                         if (started < bufs &&
                             started - completed < max_outstanding) {
-                                r = add_inbuf(0, NULL, "Hello, world!");
+                                r = add_inbuf(0, "Buffer\n", "Hello, world!");
                                 if (__builtin_expect(r == 0, true)) {
                                         ++started;
                                         if (!--tokick) {