[PATCH RESEND][next] ice: Fix fall-through warnings for Clang

[PATCH RESEND][next] ice: Fix fall-through warnings for Clang

[Gustavo A. R. Silva]

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of just 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>
---
 drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
index 02b12736ea80..207f6ee3a7f6 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
@@ -143,6 +143,7 @@ ice_rx_csum(struct ice_ring *ring, struct sk_buff *skb,
 	case ICE_RX_PTYPE_INNER_PROT_UDP:
 	case ICE_RX_PTYPE_INNER_PROT_SCTP:
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
+		break;
 	default:
 		break;
 	}
-- 
2.27.0

Re: [Intel-wired-lan] [PATCH RESEND][next] ice: Fix fall-through warnings for Clang

[Paul Menzel]

Dear Gustavo,


Thank you for working on that.

Am 05.03.21 um 09:52 schrieb Gustavo A. R. Silva:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a break statement instead of just letting the code
> fall through to the next case.

It would be nice to have a short summary of the discrepancy between GCC 
and clang, and it was decided to go with the “clang decision”, and not 
have clang adapt to GCC.

> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
> ---
>   drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
> index 02b12736ea80..207f6ee3a7f6 100644
> --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
> +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
> @@ -143,6 +143,7 @@ ice_rx_csum(struct ice_ring *ring, struct sk_buff *skb,
>   	case ICE_RX_PTYPE_INNER_PROT_UDP:
>   	case ICE_RX_PTYPE_INNER_PROT_SCTP:
>   		skb->ip_summed = CHECKSUM_UNNECESSARY;
> +		break;
>   	default:
>   		break;
>   	}


Kind regards,

Paul

RE: [Intel-wired-lan] [PATCH RESEND][next] ice: Fix fall-through warnings for Clang

[Brelinski, TonyX]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of
> Paul Menzel
> Sent: Friday, March 5, 2021 1:04 AM
> To: Gustavo A. R. Silva <gustavoars@kernel.org>; Brandeburg, Jesse
> <jesse.brandeburg@intel.com>; Nguyen, Anthony L
> <anthony.l.nguyen@intel.com>; David S. Miller <davem@davemloft.net>;
> Jakub Kicinski <kuba@kernel.org>
> Cc: netdev@vger.kernel.org; intel-wired-lan@lists.osuosl.org; linux-
> hardening@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [Intel-wired-lan] [PATCH RESEND][next] ice: Fix fall-through
> warnings for Clang
> 
> Dear Gustavo,
> 
> 
> Thank you for working on that.
> 
> Am 05.03.21 um 09:52 schrieb Gustavo A. R. Silva:
> > In preparation to enable -Wimplicit-fallthrough for Clang, fix a
> > warning by explicitly adding a break statement instead of just letting
> > the code fall through to the next case.
> 
> It would be nice to have a short summary of the discrepancy between GCC
> and clang, and it was decided to go with the “clang decision”, and not have
> clang adapt to GCC.
> 
> > Link: https://github.com/KSPP/linux/issues/115
> > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
> > ---
> >   drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 1 +
> >   1 file changed, 1 insertion(+)

Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> A Contingent Worker at Intel