selftests: xsk: Return correct error codes

Return the correct error codes so they can be printed correctly.

Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210825093722.10219-5-magnus.karlsson@gmail.com

diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c
index 4d8ee63..f221bc5 100644 (file)
--- a/tools/testing/selftests/bpf/xdpxceiver.c
+++ b/tools/testing/selftests/bpf/xdpxceiver.c
@@ -270,7 +270,7 @@ static void xsk_configure_umem(struct ifobject *data, void *buffer, int idx)
        ret = xsk_umem__create(&umem->umem, buffer, size,
                               &umem->fq, &umem->cq, &cfg);
        if (ret)
-               exit_with_error(ret);
+               exit_with_error(-ret);
 
        umem->buffer = buffer;
 
@@ -284,7 +284,7 @@ static void xsk_populate_fill_ring(struct xsk_umem_info *umem)
 
        ret = xsk_ring_prod__reserve(&umem->fq, XSK_RING_PROD__DEFAULT_NUM_DESCS, &idx);
        if (ret != XSK_RING_PROD__DEFAULT_NUM_DESCS)
-               exit_with_error(ret);
+               exit_with_error(-ret);
        for (i = 0; i < XSK_RING_PROD__DEFAULT_NUM_DESCS; i++)
                *xsk_ring_prod__fill_addr(&umem->fq, idx++) = i * XSK_UMEM__DEFAULT_FRAME_SIZE;
        xsk_ring_prod__submit(&umem->fq, XSK_RING_PROD__DEFAULT_NUM_DESCS);
@@ -467,7 +467,7 @@ static void rx_pkt(struct xsk_socket_info *xsk, struct pollfd *fds)
                if (xsk_ring_prod__needs_wakeup(&xsk->umem->fq)) {
                        ret = poll(fds, 1, POLL_TMOUT);
                        if (ret < 0)
-                               exit_with_error(ret);
+                               exit_with_error(-ret);
                }
                return;
        }
@@ -475,11 +475,11 @@ static void rx_pkt(struct xsk_socket_info *xsk, struct pollfd *fds)
        ret = xsk_ring_prod__reserve(&xsk->umem->fq, rcvd, &idx_fq);
        while (ret != rcvd) {
                if (ret < 0)
-                       exit_with_error(ret);
+                       exit_with_error(-ret);
                if (xsk_ring_prod__needs_wakeup(&xsk->umem->fq)) {
                        ret = poll(fds, 1, POLL_TMOUT);
                        if (ret < 0)
-                               exit_with_error(ret);
+                               exit_with_error(-ret);
                }
                ret = xsk_ring_prod__reserve(&xsk->umem->fq, rcvd, &idx_fq);
        }