diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 6d34310f11416a786753408f42c4e05d54f54893..3362299b185916dcbf451a06eca040491d317173 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -925,6 +925,7 @@ int __kprobes analyse_instr(struct instruction_op *op, struct pt_regs *regs,
 			}
 		}
 #endif
+	break; /* illegal instruction */
 
 	case 31:
 		switch ((instr >> 1) & 0x3ff) {