Re: NET4501 kernel build fails

["John D. Baker" <jdbaker%consolidated.net@localhost>]

On Mon, 31 Oct 2022, John D. Baker wrote:

> After this change:
> 
>   https://mail-index.netbsd.org/source-changes/2022/10/26/msg141745.html

Correction:  After THIS change:

  https://mail-index.netbsd.org/source-changes/2022/10/25/msg141682.html

> The "NET4501" kernel build fails as shown below.  This is probably due
> to "-Os" optimization causing GCC to be unable to grok the initialization
> condition for "ctp".

I had previously only searched for the last time "sys/kern/subr_prf.c"
had changed, but then realized that didn't account for the affected code.

> Explicitly initializing "ctp = NULL;" after the declaration allows the
> build to complete.

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