Commit 8ef8f368 authored May 24, 2019 by Sami Tolvanen Committed by Will Deacon May 29, 2019

arm64: fix syscall_fn_t type



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>

parent d76cac67

arch/arm64/include/asm/syscall.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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[];