Re: [PATCH 1/3] scsi: fcoe: Statically initialize flogi_maddr

From: Joe Perches
Date: Fri May 28 2021 - 14:29:06 EST


On Fri, 2021-05-28 at 11:13 -0700, Kees Cook wrote:
> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memcpy() using memcpy() with an inline const
> buffer and instead just statically initialize the destination array
> directly.
[]
> diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
[]
> @@ -293,7 +293,7 @@ static int fcoe_interface_setup(struct fcoe_interface *fcoe,
>   struct fcoe_ctlr *fip = fcoe_to_ctlr(fcoe);
>   struct netdev_hw_addr *ha;
>   struct net_device *real_dev;
> - u8 flogi_maddr[ETH_ALEN];
> + u8 flogi_maddr[ETH_ALEN] = FC_FCOE_FLOGI_MAC;

static const

> @@ -442,7 +441,7 @@ static void fcoe_interface_remove(struct fcoe_interface *fcoe)
>  {
>   struct net_device *netdev = fcoe->netdev;
>   struct fcoe_ctlr *fip = fcoe_to_ctlr(fcoe);
> - u8 flogi_maddr[ETH_ALEN];
> + u8 flogi_maddr[ETH_ALEN] = FC_FCOE_FLOGI_MAC;

etc...