net: enetc: handle the invalid XDP action the same way as XDP_DROP

When the XDP program returns an invalid action, we should free the RX
buffer.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2021-04-17 00:22:23 +03:00 committed by David S. Miller
parent 7eab503b11
commit 975acc833c

View file

@ -1282,6 +1282,9 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
xdp_act = bpf_prog_run_xdp(prog, &xdp_buff);
switch (xdp_act) {
default:
bpf_warn_invalid_xdp_action(xdp_act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(rx_ring->ndev, prog, xdp_act);
fallthrough;
@ -1346,10 +1349,6 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
xdp_redirect_frm_cnt++;
rx_ring->stats.xdp_redirect++;
}
break;
default:
bpf_warn_invalid_xdp_action(xdp_act);
}
rx_frm_cnt++;