On Fri, May 27, 2016 at 2:23 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> This patch changes all users of IS_ERR_VALUE() that I could find
> on 32-bit ARM randconfig builds and x86 allmodconfig. For the
> moment, this doesn't change the definition of IS_ERR_VALUE()
> because there are probably still architecture specific users
> elsewhere.
Patch applied with the fixups from Al Viro edited in.
I also ended up removing a few other users (due to the vm_brk()
interface), and then made IS_ERR_VALUE() do the "void *" cast so that
integer use of a non-pointer size should now complain.
It works for me and has no new warnings in my allmodconfig build, and
with your ARM work that is presumably clean too. But other
architectures may see new warnings.
People who got affected by this should check their subsystem code for
the changes.
Linus
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