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FROMLIST: arm64: fix syscall_fn_t type

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Syscall wrappers in <asm/syscall_wrapper.h> use const struct pt_regs *
as the argument type. Use const in syscall_fn_t as well to fix indirect
call type mismatches with Control-Flow Integrity checking.

Bug: 133186739
Change-Id: I23d26aef5107985631a9aac500f2ceefc0b25419
Link: https://lkml.org/lkml/2019/5/3/689
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
This commit is contained in:
Sami Tolvanen
2019-04-25 14:06:13 -07:00
committed by Alistair Strachan
parent fb0e5d877b
commit 568a3e2eee
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/include/asm/syscall.h
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@@ -20,7 +20,7 @@
#include <linux/compat.h>
#include <linux/err.h>
typedef long (*syscall_fn_t)(struct pt_regs *regs);
typedef long (*syscall_fn_t)(const struct pt_regs *regs);
extern const syscall_fn_t sys_call_table[];