diff --git a/arch/powerpc/platforms/powernv/rng.c b/arch/powerpc/platforms/powernv/rng.c
index dc13ed3f6c2b..61c0eaafb27a 100644
--- a/arch/powerpc/platforms/powernv/rng.c
+++ b/arch/powerpc/platforms/powernv/rng.c
@@ -67,6 +67,8 @@ int powernv_get_random_real_mode(unsigned long *v)
 	struct powernv_rng *rng;
 
 	rng = raw_cpu_read(powernv_rng);
+	if (!rng)
+		return 0;
 
 	*v = rng_whiten(rng, in_rm64(rng->regs_real));