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authorSami Tolvanen <samitolvanen@google.com>2019-05-25 01:11:16 +0300
committerWill Deacon <will.deacon@arm.com>2019-05-29 15:45:59 +0300
commit8ef8f368ce72b5e17f7c1f1ef15c38dcfd0fef64 (patch)
tree15bcc8f93707752af437f537d389bfb36d7a465e /arch/arm64
parentd76cac67db40c172791ce07948367b96a758e45b (diff)
downloadlinux-8ef8f368ce72b5e17f7c1f1ef15c38dcfd0fef64.tar.xz
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>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/include/asm/syscall.h2
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[];