Messages in this thread | | | Date | Mon, 6 Jun 2022 11:01:29 +0200 | From | Maxime Ripard <> | Subject | Re: gcc-12: build errors: arch/arm64/kernel/setup.c:225:56: warning: array subscript -1 is outside array bounds of 'char[]' [-Warray-bounds] |
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Hi,
On Fri, Jun 03, 2022 at 09:40:07AM +0200, Arnd Bergmann wrote: > On Fri, Jun 3, 2022 at 4:03 AM Naresh Kamboju <naresh.kamboju@linaro.org> wrote: > > inlined from 'setup_arch' at arch/arm64/kernel/setup.c:350:2: > > arch/arm64/kernel/setup.c:225:56: warning: array subscript -1 is > > outside array bounds of 'char[]' [-Warray-bounds] > > 225 | kernel_code.end = __pa_symbol(__init_begin - 1); > > > > Is this the only warning of this type that you get for arm64?
In that function, both kernel_code.end and kernel_data_end show a similar warning in 5.19-rc1
> I think the easy fix would be to reword this line to > > kernel_code.end = __pa_symbol(__init_begin) - 1;
Doing this for both fix the warnings.
Maxime [unhandled content-type:application/pgp-signature] | |