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| author | Sami Tolvanen <samitolvanen@google.com> | 2019-05-24 15:11:16 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-22 08:15:20 +0200 |
| commit | c5fdfaedecc2382b1cb1bcfae790798d9ad14b85 (patch) | |
| tree | a8f445fc0e82d7486b684384432c900335e96ba6 | |
| parent | df6384e0f42ea8921a37b0e752502d01f59a93b2 (diff) | |
| download | linux-stable-c5fdfaedecc2382b1cb1bcfae790798d9ad14b85.tar.gz linux-stable-c5fdfaedecc2382b1cb1bcfae790798d9ad14b85.tar.bz2 linux-stable-c5fdfaedecc2382b1cb1bcfae790798d9ad14b85.zip | |
arm64: fix syscall_fn_t type
[ Upstream commit 8ef8f368ce72b5e17f7c1f1ef15c38dcfd0fef64 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | arch/arm64/include/asm/syscall.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h index ad8be16a39c9..58102652bf9e 100644 --- a/arch/arm64/include/asm/syscall.h +++ b/arch/arm64/include/asm/syscall.h @@ -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[]; |