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| author | Sami Tolvanen <samitolvanen@google.com> | 2019-05-24 15:11:16 -0700 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2019-05-29 13:45:59 +0100 |
| commit | 8ef8f368ce72b5e17f7c1f1ef15c38dcfd0fef64 (patch) | |
| tree | 15bcc8f93707752af437f537d389bfb36d7a465e | |
| parent | d76cac67db40c172791ce07948367b96a758e45b (diff) | |
| download | linux-8ef8f368ce72b5e17f7c1f1ef15c38dcfd0fef64.tar.gz linux-8ef8f368ce72b5e17f7c1f1ef15c38dcfd0fef64.tar.bz2 linux-8ef8f368ce72b5e17f7c1f1ef15c38dcfd0fef64.zip | |
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>
| -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 a65167f5cded..e8bcb9ecede9 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[]; |