[RFC PATCH -tip v5 16/27] ARM: kprobes: Don't call the ->break_handler() in arm kprobes code
From: Masami Hiramatsu
Date: Mon Jun 04 2018 - 11:56:45 EST
Don't call the ->break_handler() from the arm kprobes code,
because it was only used by jprobes which got removed.
Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
arch/arm/probes/kprobes/core.c | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c
index 23562111c511..3192350f389d 100644
--- a/arch/arm/probes/kprobes/core.c
+++ b/arch/arm/probes/kprobes/core.c
@@ -315,17 +315,6 @@ void __kprobes kprobe_handler(struct pt_regs *regs)
reset_current_kprobe();
}
}
- } else if (cur) {
- /* We probably hit a jprobe. Call its break handler. */
- if (cur->break_handler && cur->break_handler(cur, regs)) {
- kcb->kprobe_status = KPROBE_HIT_SS;
- singlestep(cur, regs, kcb);
- if (cur->post_handler) {
- kcb->kprobe_status = KPROBE_HIT_SSDONE;
- cur->post_handler(cur, regs, 0);
- }
- }
- reset_current_kprobe();
} else {
/*
* The probe was removed and a race is in progress.