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virtio-net: mark expected switch fall-throughs

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

Addresses-Coverity-ID: 1402059 ("Missing break in switch")
Addresses-Coverity-ID: 1402060 ("Missing break in switch")
Addresses-Coverity-ID: 1402061 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gustavo A. R. Silva 2018-08-04 21:42:05 -05:00 committed by David S. Miller
parent 1cbc36a53b
commit b633d4405b
1 changed files with 3 additions and 0 deletions
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3
drivers/net/virtio_net.c
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@ -697,6 +697,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
goto xdp_xmit;
default:
bpf_warn_invalid_xdp_action(act);
/* fall through */
case XDP_ABORTED:
trace_xdp_exception(vi->dev, xdp_prog, act);
case XDP_DROP:
@ -876,8 +877,10 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
goto xdp_xmit;
default:
bpf_warn_invalid_xdp_action(act);
/* fall through */
case XDP_ABORTED:
trace_xdp_exception(vi->dev, xdp_prog, act);
/* fall through */
case XDP_DROP:
if (unlikely(xdp_page != page))
__free_pages(xdp_page, 0);