On Tue, Sep 10, 2019 at 2:13 PM Denis Efremov <[email protected]> wrote:
>
> +Cc: Andrew Morton <[email protected]>,
>      Masahiro Yamada <[email protected]>
>
> Hi,
>
> On 7/8/19 6:15 PM, Denis Efremov wrote:
> > The function LZ4HC_setExternalDict is declared static and marked
> > EXPORT_SYMBOL, which is at best an odd combination. Because the function
> > is not used outside of the lib/lz4/lz4hc_compress.c file it is defined in,
> > this commit removes the EXPORT_SYMBOL() marking.
> >
> > Signed-off-by: Denis Efremov <[email protected]>

Reviewed-by: Arnd Bergmann <[email protected]>

> Andrew, could you please look at this patch and accept it if everybody agrees?
> static LZ4HC_setExternalDict will trigger a warning after this check
> will be in tree https://lkml.org/lkml/2019/7/14/118
>
> There is also a different fix by Arnd Bergmann with making this function 
> non-static:
> https://lkml.org/lkml/2019/9/6/669
>
> But since there is no uses of this EXPORT_SYMBOL in kernel and 
> LZ4HC_setExternalDict
> is indeed static in the original library 
> https://github.com/lz4/lz4/blob/dev/lib/lz4hc.c#L1054
> we came to the conclusion that it will be better to simply unexport the 
> symbol.

Right, this version is better than mine.

      Arnd

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