Re: [PATCH net-next] intel: Mark expected switch fall-throughs

From: Jeff Kirsher
Date: Wed Jan 23 2019 - 12:03:28 EST


On Wed, 2019-01-23 at 01:48 -0600, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
>
> This patch fixes the following warnings:
>
> drivers/net/ethernet/intel/igb/e1000_82575.c:636:6: warning: this
> statement may fall through [-Wimplicit-fallthrough=]
> drivers/net/ethernet/intel/igb/igb_main.c:6710:6: warning: this
> statement may fall through [-Wimplicit-fallthrough=]
> drivers/net/ethernet/intel/i40e/i40e_xsk.c:237:3: warning: this
> statement may fall through [-Wimplicit-fallthrough=]
>
> 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@xxxxxxxxxxxxxx>
> ---
> drivers/net/ethernet/intel/i40e/i40e_xsk.c | 3 ++-
> drivers/net/ethernet/intel/igb/e1000_82575.c | 2 +-
> drivers/net/ethernet/intel/igb/igb_main.c | 2 +-
> 3 files changed, 4 insertions(+), 3 deletions(-)

NAK on the igb changes. There is already a "fall through" code comment
which is fine, adding a hyphen does not make the comment any more
readable.

The i40e changes are acceptable, if you want to re-submit with only
those changes.

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