From 113ff9c99a6926047e279cdf4479c186b41c5eae Mon Sep 17 00:00:00 2001
From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Tue, 20 Sep 2016 17:16:55 +0530
Subject: 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 <arvind.yadav.cs@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
---
drivers/clk/keystone/pll.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
(limited to 'drivers/clk/keystone')
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);
--
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