Subject: Re: [PATCH net-next 2/2] sctp: add sctp_make_op_error_limited and reuse inner functions

From: Marcelo Ricardo Leitner <[email-masked]>
Date: Sun, 29 Apr 2018 23:34:21 -0300

On Mon, Apr 30, 2018 at 10:14:06AM +0800, kbuild test robot wrote:
> Hi Marcelo,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on net-next/master]
>
> url:    https://github.com/0day-ci/linux/commits/Marcelo-Ricardo-Leitner/sctp-allow-sctp_init_cause-to-return-errors/20180430-073613

This URL doesn't work, 404.

> config: x86_64-randconfig-x006-201817 (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64
>
> All errors (new ones prefixed by >>):
>
>    net//sctp/sm_make_chunk.c: In function 'sctp_make_op_error_limited':
> >> net//sctp/sm_make_chunk.c:1260:9: error: implicit declaration of function 'sctp_mtu_payload'; did you mean 'sctp_do_peeloff'? [-Werror=implicit-function-declaration]
>      size = sctp_mtu_payload(sp, size, sizeof(struct sctp_errhdr));
>             ^~~~~~~~~~~~~~~~
>             sctp_do_peeloff
>    cc1: some warnings being treated as errors

Seems the test didn't pick up the MTU refactor patchset yet.

$ grep sctp/sctp -- net/sctp/sm_make_chunk.c
#include <net/sctp/sctp.h>

$ git grep sctp_mtu_payload -- include/
include/net/sctp/sctp.h:static inline __u32 sctp_mtu_payload(const
struct sctp_sock *sp,

it should be reachable.

  Marcelo