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* [PATCH net-next] virtio-net: mark expected switch fall-throughs
@ 2018-08-05  2:42 Gustavo A. R. Silva
  2018-08-06  0:27 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Gustavo A. R. Silva @ 2018-08-05  2:42 UTC (permalink / raw)
  To: Michael S. Tsirkin, Jason Wang, David S. Miller
  Cc: virtualization, netdev, linux-kernel, Gustavo A. R. Silva

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>
---
 drivers/net/virtio_net.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 14f661c..62311dd 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -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);
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH net-next] virtio-net: mark expected switch fall-throughs
  2018-08-05  2:42 [PATCH net-next] virtio-net: mark expected switch fall-throughs Gustavo A. R. Silva
@ 2018-08-06  0:27 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2018-08-06  0:27 UTC (permalink / raw)
  To: gustavo; +Cc: mst, jasowang, virtualization, netdev, linux-kernel

From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Date: Sat, 4 Aug 2018 21:42:05 -0500

> 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>

Applied, thank you.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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