Hello,
Arnd Bergmann wrote:
> While reading through the sysvipc implementation, I noticed that the n32
> semctl/shmctl/msgctl system calls behave differently based on whether
> o32 support is enabled or not: Without o32, the IPC_64 flag passed by
> user space is rejected but calls without that flag get IPC_64 behavior.
>
> As far as I can tell, this was inadvertently changed by a cleanup patch
> but never noticed by anyone, possibly nobody has tried using sysvipc
> on n32 after linux-3.19.
>
> Change it back to the old behavior now.
>
> Fixes: 78aaf956ba3a ("MIPS: Compat: Fix build error if CONFIG_MIPS32_COMPAT
> but no compat ABI.")
> Cc: sta...@vger.kernel.org
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
Applied to mips-fixes.
Thanks,
Paul
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