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* [PATCH][next] octeontx2-pf: Fix fall-through warning for Clang
@ 2021-05-28 20:22 Gustavo A. R. Silva
  2021-06-01 19:21 ` Kees Cook
  0 siblings, 1 reply; 2+ messages in thread
From: Gustavo A. R. Silva @ 2021-05-28 20:22 UTC (permalink / raw)
  To: Sunil Goutham, Geetha sowjanya, Subbaraya Sundeep, hariprasad,
	David S. Miller, Jakub Kicinski
  Cc: netdev, linux-kernel, Gustavo A. R. Silva, linux-hardening

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of letting the code fall
through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
JFYI: We had thousands of these sorts of warnings and now we are down
      to just 25 in linux-next. This is one of those last remaining
      warnings.

 drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
index 0b4fa92ba821..80b769079d51 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
@@ -551,6 +551,7 @@ static int otx2_prepare_ipv6_flow(struct ethtool_rx_flow_spec *fsp,
 			req->features |= BIT_ULL(NPC_IPPROTO_AH);
 		else
 			req->features |= BIT_ULL(NPC_IPPROTO_ESP);
+		break;
 	default:
 		break;
 	}
-- 
2.27.0


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

* Re: [PATCH][next] octeontx2-pf: Fix fall-through warning for Clang
  2021-05-28 20:22 [PATCH][next] octeontx2-pf: Fix fall-through warning for Clang Gustavo A. R. Silva
@ 2021-06-01 19:21 ` Kees Cook
  0 siblings, 0 replies; 2+ messages in thread
From: Kees Cook @ 2021-06-01 19:21 UTC (permalink / raw)
  To: Gustavo A. R. Silva
  Cc: Sunil Goutham, Geetha sowjanya, Subbaraya Sundeep, hariprasad,
	David S. Miller, Jakub Kicinski, netdev, linux-kernel,
	linux-hardening

On Fri, May 28, 2021 at 03:22:25PM -0500, Gustavo A. R. Silva wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a break statement instead of letting the code fall
> through to the next case.
> 
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

Reviewed-by: Kees Cook <keescook@chromium.org>

-- 
Kees Cook

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

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