[Patch] ptrace: fix an unreachable statement

[AmÃrico Wang]

commit c2724775ce57c98b8af9694857b941dc61056516 put a statement after
return, which makes that statement unreachable.

Move that statement before return.

Cc: Markus Metzger <markus.t.metzger@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Roland McGrath <roland@xxxxxxxxxx>
Signed-off-by: WANG Cong <xiyou.wangcong@xxxxxxxxx>

---
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 06ca07f..f7d38d6 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -690,9 +690,8 @@ static int ptrace_bts_config(struct task_struct *child,
 		if (!cfg.signal)
 			return -EINVAL;
 
-		return -EOPNOTSUPP;
-
 		child->thread.bts_ovfl_signal = cfg.signal;
+		return -EOPNOTSUPP;
 	}
 
 	if ((cfg.flags & PTRACE_BTS_O_ALLOC) &&


 
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