Merge remote-tracking branch 'torvalds/master' into perf/core

[linux-2.6-microblaze.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_xsk.c

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
index 3771857..f72d297 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
@@ -104,25 +104,30 @@ static int ixgbe_run_xdp_zc(struct ixgbe_adapter *adapter,
        xdp_prog = READ_ONCE(rx_ring->xdp_prog);
        act = bpf_prog_run_xdp(xdp_prog, xdp);
 
+       if (likely(act == XDP_REDIRECT)) {
+               err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog);
+               if (err)
+                       goto out_failure;
+               rcu_read_unlock();
+               return IXGBE_XDP_REDIR;
+       }
+
        switch (act) {
        case XDP_PASS:
                break;
        case XDP_TX:
                xdpf = xdp_convert_buff_to_frame(xdp);
-               if (unlikely(!xdpf)) {
-                       result = IXGBE_XDP_CONSUMED;
-                       break;
-               }
+               if (unlikely(!xdpf))
+                       goto out_failure;
                result = ixgbe_xmit_xdp_ring(adapter, xdpf);
-               break;
-       case XDP_REDIRECT:
-               err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog);
-               result = !err ? IXGBE_XDP_REDIR : IXGBE_XDP_CONSUMED;
+               if (result == IXGBE_XDP_CONSUMED)
+                       goto out_failure;
                break;
        default:
                bpf_warn_invalid_xdp_action(act);
                fallthrough;
        case XDP_ABORTED:
+out_failure:
                trace_xdp_exception(rx_ring->netdev, xdp_prog, act);
                fallthrough; /* handle aborts by dropping packet */
        case XDP_DROP: