linux-kernel - Re: drivers/crypto/sa2ul.c:1349:33: warning: cast from pointer to integer of different size

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Date:   Sun, 9 Aug 2020 09:37:50 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Keerthy <j-keerthy@...com>, kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Tero Kristo <t-kristo@...com>
Subject: Re: drivers/crypto/sa2ul.c:1349:33: warning: cast from pointer to
 integer of different size

On Sun, Aug 9, 2020 at 2:49 AM kernel test robot <lkp@...el.com> wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   06a81c1c7db9bd5de0bd38cd5acc44bb22b99150
> commit: 2dc53d0047458e28ed05b4548844ba78199857bf crypto: sa2ul - add sha1/sha256/sha512 support
> date:   2 weeks ago
> config: m68k-randconfig-r002-20200809 (attached as .config)
> compiler: m68k-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout 2dc53d0047458e28ed05b4548844ba78199857bf
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k

>    In file included from include/linux/device.h:15,
>                     from include/linux/dmaengine.h:8,
>                     from drivers/crypto/sa2ul.c:12:
>    drivers/crypto/sa2ul.c: In function 'sa_sha_init':
> >> drivers/crypto/sa2ul.c:1349:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>     1349 |   crypto_ahash_digestsize(tfm), (u64)rctx);
>          |                                 ^
>    include/linux/dev_printk.h:123:47: note: in definition of macro 'dev_dbg'
>      123 |   dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
>          |                                               ^~~~~~~~~~~

Fix available since last Tuesday:
https://lore.kernel.org/linux-crypto/20200804092927.7417-1-geert@linux-m68k.org/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds