arm64: fix function types in COND_SYSCALL

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Define a weak function in COND_SYSCALL instead of a weak alias to
sys_ni_syscall, which has an incompatible type. This fixes indirect
call mismatches with Control-Flow Integrity (CFI) checking.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Will Deacon <will@kernel.org>

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Sami Tolvanen 2019-09-10 15:40:44 -07:00 • committed by Will Deacon

parent bd3841cd3b

commit c27eccfe4d

1 changed files with 12 additions and 3 deletions

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arch/arm64/include/asm/syscall_wrapper.h

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