Re: [v2,0/2] net: if_arp: use define instead of hard-coded value

From: HÃkon Bugge
Date: Tue Oct 23 2018 - 08:31:21 EST




> On 9 Oct 2018, at 16:27, HÃkon Bugge <haakon.bugge@xxxxxxxxxx> wrote:
>
> Struct arpreq contains the name of the device. All other places in the
> kernel, the define IFNAMSIZ is used to designate its size. But in
> if_arp.h, a literal constant is used.
>
> Fixed by explicitly including uapi/linu/if.h, where IFNAMSIZ is defined.
>
> The series also fixes some incorrect indents.
>
>
> v1 -> v2:
> * Include uapi/linux/if.h from if_arp.h
> * Added Stephen's t-b
>
> HÃkon Bugge (2):
> net: if_arp: Fix incorrect indents
> net: if_arp: use define instead of hard-coded value
>
> include/uapi/linux/if_arp.h | 19 ++++++++++---------
> 1 file changed, 10 insertions(+), 9 deletions(-)
> ---
> 2.14.3

Just a friendly reminder.


Thxs, HÃkon


>
>
> From a36b99413ea5beca1539f4faf065f33c7c19e6a5 Mon Sep 17 00:00:00 2001
> From: =?UTF-8?q?H=C3=A5kon=20Bugge?= <Haakon.Bugge@xxxxxxxxxx>
> Date: Fri, 21 Sep 2018 11:28:36 +0200
> Subject: [PATCH 0/2]
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
>
> Struct arpreq contains the name of the device. All other places in the
> kernel, the define IFNAMSIZ is used to designate its size. But in
> if_arp.h, a literal constant is used.
>
> As it could be good reasons to use constants instead of the defines in
> include files under uapi, it seems to be OK to use the define here,
> without opening a can of worms in user-land.
>
> This because if_arp.h includes netdevice.h, which also uses
> IFNAMSIZ. For the distros I have checked, this also holds true for the
> use-land side.
>
> The series also fixes some incorrect indents.
>
> HÃkon Bugge (2):
> net: if_arp: Fix incorrect indents
> net: if_arp: use define instead of hard-coded value
>
> include/uapi/linux/if_arp.h | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)
>
> --
> 2.14.3