From 113ff9c99a6926047e279cdf4479c186b41c5eae Mon Sep 17 00:00:00 2001 From: Arvind Yadav Date: Tue, 20 Sep 2016 17:16:55 +0530 Subject: [PATCH] clk: keystone: pll: Unmap region obtained by of_iomap Free memory mapping, if of_pll_div_clk_init is not successful. Signed-off-by: Arvind Yadav Signed-off-by: Stephen Boyd --- drivers/clk/keystone/pll.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/clk/keystone/pll.c b/drivers/clk/keystone/pll.c index 185f19c6836e..e7e840fb74ea 100644 --- a/drivers/clk/keystone/pll.c +++ b/drivers/clk/keystone/pll.c @@ -267,25 +267,30 @@ static void __init of_pll_div_clk_init(struct device_node *node) parent_name = of_clk_get_parent_name(node, 0); if (!parent_name) { pr_err("%s: missing parent clock\n", __func__); + iounmap(reg); return; } if (of_property_read_u32(node, "bit-shift", &shift)) { pr_err("%s: missing 'shift' property\n", __func__); + iounmap(reg); return; } if (of_property_read_u32(node, "bit-mask", &mask)) { pr_err("%s: missing 'bit-mask' property\n", __func__); + iounmap(reg); return; } clk = clk_register_divider(NULL, clk_name, parent_name, 0, reg, shift, mask, 0, NULL); - if (clk) + if (clk) { of_clk_add_provider(node, of_clk_src_simple_get, clk); - else + } else { pr_err("%s: error registering divider %s\n", __func__, clk_name); + iounmap(reg); + } } CLK_OF_DECLARE(pll_divider_clock, "ti,keystone,pll-divider-clock", of_pll_div_clk_init); -- 2.20.1