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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.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Sami Tolvanen 2019-05-24 15:11:16 -07:00 committed by Will Deacon
parent d76cac67db
commit 8ef8f368ce
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[];