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veth: Mark expected switch fall-throughs 

In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.

Warning level 3 was used: -Wimplicit-fallthrough=3

This patch is part of the ongoing efforts to enabling
-Wimplicit-fallthrough.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Gustavo A. R. Silva 2019-02-08 12:37:33 -06:00 committed by David S. Miller
parent c0bc5d8e2b
commit a9b6d9ef09
1 changed files with 4 additions and 0 deletions
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4
drivers/net/veth.c
View File

@ -540,8 +540,10 @@ static struct sk_buff *veth_xdp_rcv_one(struct veth_rq *rq,
goto xdp_xmit;
default:
bpf_warn_invalid_xdp_action(act);
/* fall through */
case XDP_ABORTED:
trace_xdp_exception(rq->dev, xdp_prog, act);
/* fall through */
case XDP_DROP:
goto err_xdp;
}
@ -661,8 +663,10 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq, struct sk_buff *skb,
goto xdp_xmit;
default:
bpf_warn_invalid_xdp_action(act);
/* fall through */
case XDP_ABORTED:
trace_xdp_exception(rq->dev, xdp_prog, act);
/* fall through */
case XDP_DROP:
goto drop;
}