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Date:   Sat, 5 Jun 2021 15:51:19 -0500
From:   Steve French <smfrench@...il.com>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     CIFS <linux-cifs@...r.kernel.org>,
        samba-technical <samba-technical@...ts.samba.org>,
        open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        lkft-triage@...ts.linaro.org, Steve French <sfrench@...ba.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [next] fs: cifsglob.h:955:20: error: passing argument 2 of
 'test_bit' from incompatible pointer type

Probably was reported earlier and this code has been changed.  The
multichannel patches are also temporarily removed from for-next while
Shyam is doing some fixes to the series.

On Fri, Jun 4, 2021 at 4:23 AM Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
>
> The following builds failed on Linux next-20210604 due to warnings / errors.
>
>   - arm (s3c2410_defconfig) with gcc- 8 / 9 / 10
>   - parisc (defconfig) with gcc-8 / 9 / 10
>   - powerpc (ppc6xx_defconfig) with gcc- 8 / 9 /10
>
> In file included from fs/cifs/transport.c:38:
> fs/cifs/transport.c: In function 'cifs_pick_channel':
> fs/cifs/cifsglob.h:955:20: error: passing argument 2 of 'test_bit'
> from incompatible pointer type [-Werror=incompatible-pointer-types]
>   955 |  test_bit((index), &(ses)->chans_need_reconnect)
>            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>            |
>            size_t * {aka unsigned int *}
> fs/cifs/transport.c:1065:7: note: in expansion of macro
> 'CIFS_CHAN_NEEDS_RECONNECT'
>  1065 |   if (CIFS_CHAN_NEEDS_RECONNECT(ses, index))
>       |       ^~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from arch/powerpc/include/asm/bitops.h:193,
>                  from include/linux/bitops.h:32,
>                  from include/linux/kernel.h:12,
>                  from include/linux/list.h:9,
>                  from include/linux/wait.h:7,
>                  from include/linux/wait_bit.h:8,
>                  from include/linux/fs.h:6,
>                  from fs/cifs/transport.c:23:
> include/asm-generic/bitops/non-atomic.h:104:66: note: expected 'const
> volatile long unsigned int *' but argument is of type 'size_t *' {aka
> 'unsigned int *'}
>   104 | static inline int test_bit(int nr, const volatile unsigned long *addr)
>                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
> cc1: some warnings being treated as errors
> make[3]: *** [scripts/Makefile.build:272: fs/cifs/transport.o] Error 1
> fs/cifs/sess.c: In function 'cifs_chan_set_need_reconnect':
> fs/cifs/sess.c:98:22: error: passing argument 2 of 'set_bit' from
> incompatible pointer type [-Werror=incompatible-pointer-types]
>    98 |  set_bit(chan_index, &ses->chans_need_reconnect);
>              ^~~~~~~~~~~~~~~~~~~~~~~~~~
>              |
>              size_t * {aka unsigned int *}
>
>
> Reported-by: Naresh Kamboju <naresh.kamboju@...aro.org>
>
> Full build log:
> https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/jobs/1317929765#L247
>
> Steps to reproduce:
> -----------------------------
>
> # TuxMake is a command line tool and Python library that provides
> # portable and repeatable Linux kernel builds across a variety of
> # architectures, toolchains, kernel configurations, and make targets.
> #
> # TuxMake supports the concept of runtimes.
> # See https://docs.tuxmake.org/runtimes/, for that to work it requires
> # that you install podman or docker on your system.
> #
> # To install tuxmake on your system globally:
> # sudo pip3 install -U tuxmake
> #
> # See https://docs.tuxmake.org/ for complete documentation.
>
> tuxmake --runtime podman --target-arch arm --toolchain gcc-8 --kconfig
> s3c2410_defconfig
>
>
> --
> Linaro LKFT
> https://lkft.linaro.org



-- 
Thanks,

Steve

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