Re: linux-next: sparc tree build warning

From: Stephen Rothwell
Date: Fri Jan 29 2010 - 01:32:37 EST


Hi Dave,

On Thu, 28 Jan 2010 20:12:06 -0800 (PST) David Miller <davem@xxxxxxxxxxxxx> wrote:
>
> Simply ignore the warning then, I thought you were reporting
> a build failure.

No worries, I just report warnings in case noone else notices them. And
in case they are important.

> Looking at the specific case of net/core/pktgen.c:867
>
> "len" is variable in the net/core/pktgen.c line that emits the
> warning
>
> Even though it is limited to "sizeof(name) - 1" via strn_len()'s
> third argument, that's a lot to expect the compiler to dig into
> and be able to conclude invariants from.

Yeah, indeed. We need an intuitive compiler :-)

--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
http://www.canb.auug.org.au/~sfr/

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