arm64: uid16: fix __kernel_old_{gid,uid}_t definitions

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commit 34c65c43f1 upstream.

Whilst native arm64 applications don't have the 16-bit UID/GID syscalls
wired up, compat tasks can still access them. The 16-bit wrappers for
these syscalls use __kernel_old_uid_t and __kernel_old_gid_t, which must
be 16-bit data types to maintain compatibility with the 16-bit UIDs used
by compat applications.

This patch defines 16-bit __kernel_old_{gid,uid}_t types for arm64
instead of using the 32-bit types provided by asm-generic.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Will Deacon 2014-06-02 11:47:29 +01:00 • committed by Greg Kroah-Hartman

parent a198057408

commit 04c4b55db2

2 changed files with 10 additions and 1 deletions

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arch/arm64/include/asm/Kbuild

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10

arch/arm64/include/uapi/asm/posix_types.h

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