m32r: fix breakage from "m32r: use generic ptrace_resume code"

Signed-off-by: Al Viro <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/m32r/kernel/ptrace.c

···
 
 	if (access_process_vm(child, pc&~3, &insn, sizeof(insn), 0)
 	    != sizeof(insn))
-		break;
+		return -EIO;
 
 	compute_next_pc(insn, pc, &next_pc, child);
 	if (next_pc & 0x80000000)
-		break;
+		return -EIO;
 
 	if (embed_debug_trap(child, next_pc))
-		break;
+		return -EIO;
 
 	invalidate_cache();
+	return 0;
 }
 
 void user_disable_single_step(struct task_struct *child)