1 files changed, 3 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 2cd32dd6898b..93444e32fccd 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -80,9 +80,11 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
                            (unsigned long) p->addr + sizeof(kprobe_opcode_t));
 }
 
-void __kprobes arch_remove_kprobe(struct kprobe *p)
+void __kprobes arch_remove_kprobe(struct kprobe *p, struct semaphore *s)
 {
+        down(s);
         free_insn_slot(p->ainsn.insn);
+        up(s);
 }
 
 static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)