Re: [Open-FCoE] [PATCH] scsi: fcoe: Convert use of __constant_htons to htons

From: Vasu Dev
Date: Tue Sep 01 2015 - 18:43:31 EST


On Wed, 2015-08-19 at 11:18 +0530, Vaishali Thakkar wrote:
> In little endian cases, the macro htons unfolds to __swab16 which
> provides special case for constants. In big endian cases,
> __constant_htons and htons expand directly to the same expression.
> So, replace __constant_htons with htons with the goal of getting
> rid of the definition of __constant_htons completely.
>
> The semantic patch that performs this transformation is as follows:
>
> @@expression x;@@
>
> - __constant_htons(x)
> + htons(x)
>
> Signed-off-by: Vaishali Thakkar <vthakkar1994@xxxxxxxxx>
> ---
> drivers/scsi/fcoe/fcoe.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
> index ec193a8..d3eb80c 100644
> --- a/drivers/scsi/fcoe/fcoe.c
> +++ b/drivers/scsi/fcoe/fcoe.c
> @@ -364,7 +364,7 @@ static int fcoe_interface_setup(struct fcoe_interface *fcoe,
> * on the ethertype for the given device
> */
> fcoe->fcoe_packet_type.func = fcoe_rcv;
> - fcoe->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE);
> + fcoe->fcoe_packet_type.type = htons(ETH_P_FCOE);
> fcoe->fcoe_packet_type.dev = netdev;
> dev_add_pack(&fcoe->fcoe_packet_type);
>

Acked-by: Vasu Dev <vasu.dev@xxxxxxxxx>

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