Hi,

On Mon, Jun 26, 2017 at 01:24:43AM +0800, kbuild test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 
> staging-testing
> head:   2a38eb6552c934a13e1f1b8c579147fac9c94efb
> commit: 9a71d0257f1f63d64015f7d2c25485272df4d535 [383/386] tty: add function 
> to convert device name to number
> config: blackfin-allyesconfig (attached as .config)
> compiler: bfin-uclinux-gcc (GCC) 6.2.0
> reproduce:
>         wget 
> https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O 
> ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout 9a71d0257f1f63d64015f7d2c25485272df4d535
>         # save the attached .config to linux build tree
>         make.cross ARCH=blackfin 
> 
> All warnings (new ones prefixed by >>):
> 
>    drivers//tty/tty_io.c: In function 'tty_dev_name_to_number':
> >> drivers//tty/tty_io.c:348:11: warning: assignment discards 'const' 
> >> qualifier from pointer target type [-Wdiscarded-qualifiers]
>      for (str = name; *str && !isdigit(*str); str++)
>               ^
How to send fix for this? Can I resend just this patch as v2? Or resend
the patch set as v4 (it was a v3 last time).

Thanks,
Okash
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