diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c
index 1ed30d25191d..a0b1fb4da9dd 100644
--- a/drivers/clk/rockchip/clk-rk3036.c
+++ b/drivers/clk/rockchip/clk-rk3036.c
@@ -449,6 +449,7 @@ static void __init rk3036_clk_init(struct device_node *np)
 	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(reg_base);
 		return;
 	}
 
diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index b1214cba1692..0f78d7353d17 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -771,6 +771,7 @@ static struct rockchip_clk_provider *__init rk3188_common_clk_init(struct device
 	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(reg_base);
 		return ERR_PTR(-ENOMEM);
 	}
 
diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
index 8f8369f30600..1196818a0fbd 100644
--- a/drivers/clk/rockchip/clk-rk3288.c
+++ b/drivers/clk/rockchip/clk-rk3288.c
@@ -893,6 +893,7 @@ static void __init rk3288_clk_init(struct device_node *np)
 	ctx = rockchip_clk_init(np, rk3288_cru_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(rk3288_cru_base);
 		return;
 	}
 
diff --git a/drivers/clk/rockchip/clk-rk3366.c b/drivers/clk/rockchip/clk-rk3366.c
index 88bda27d5541..03b426ba9b61 100644
--- a/drivers/clk/rockchip/clk-rk3366.c
+++ b/drivers/clk/rockchip/clk-rk3366.c
@@ -811,6 +811,7 @@ static void __init rk3366_clk_init(struct device_node *np)
 	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(reg_base);
 		return;
 	}
 
diff --git a/drivers/clk/rockchip/clk-rk3368.c b/drivers/clk/rockchip/clk-rk3368.c
index 3a6add7f34bd..1f152733c8fe 100644
--- a/drivers/clk/rockchip/clk-rk3368.c
+++ b/drivers/clk/rockchip/clk-rk3368.c
@@ -869,6 +869,7 @@ static void __init rk3368_clk_init(struct device_node *np)
 	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(reg_base);
 		return;
 	}