We should call iounmap to relase reg_base since it's not going to be used any more. Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com> --- drivers/clk/rockchip/clk-rk3188.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c index 0fcce22..d0e722a 100644 --- a/drivers/clk/rockchip/clk-rk3188.c +++ b/drivers/clk/rockchip/clk-rk3188.c @@ -773,6 +773,7 @@ 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); } -- 2.3.7