Re: [PATCH 07/15] Don't return -ENOSYS as extra notes size if spufs is not loaded

From: Arnd Bergmann
Date: Wed Sep 12 2007 - 07:08:37 EST


On Wednesday 12 September 2007, Michael Ellerman wrote:
> Because the SPU coredump code might be built as part of a module (spufs),
> we have a stub which is called by the coredump code, this routine then calls
> into spufs if it's loaded.
>
> Unfortunately the stub returns -ENOSYS if spufs is not loaded, which is
> interpreted by the coredump code as an extra note size of -38 bytes. This
> leads to a corrupt core dump.
>
> If spufs is not loaded there will be no SPU ELF notes to write, and so the
> extra notes size will be == 0.
>
> Signed-off-by: Michael Ellerman <michael@xxxxxxxxxxxxxx>

Acked-by: Arnd Bergmann <arnd.bergmann@xxxxxxxxxx>
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