diff mbox series

[v4,09/17] arm64: kprobes: fix kprobes without CONFIG_KRETPROBES

Message ID 20191101221150.116536-10-samitolvanen@google.com (mailing list archive)
State New, archived
Headers show
Series add support for Clang's Shadow Call Stack | expand

Commit Message

Sami Tolvanen Nov. 1, 2019, 10:11 p.m. UTC 
This allows CONFIG_KRETPROBES to be disabled without disabling
kprobes entirely.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
---
 arch/arm64/kernel/probes/kprobes.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c
index c4452827419b..98230ae979ca 100644
--- a/arch/arm64/kernel/probes/kprobes.c
+++ b/arch/arm64/kernel/probes/kprobes.c
@@ -551,6 +551,7 @@  void __kprobes __used *trampoline_probe_handler(struct pt_regs *regs)
 	return (void *)orig_ret_address;
 }
 
+#ifdef CONFIG_KRETPROBES
 void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
 				      struct pt_regs *regs)
 {
@@ -564,6 +565,7 @@  int __kprobes arch_trampoline_kprobe(struct kprobe *p)
 {
 	return 0;
 }
+#endif
 
 int __init arch_init_kprobes(void)
 {