clk: rockchip: handle of_iomap failures in legacy clock driver

Check return value of of_iomap and handle errors correctly.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Arvind Yadav 2016-08-13 20:56:18 +05:30 committed by Heiko Stuebner
parent 54479449c8
commit 023a8280b8

View File

@ -49,14 +49,19 @@ static void __init rk2928_gate_clk_init(struct device_node *node)
}
reg = of_iomap(node, 0);
if (!reg)
return;
clk_data = kzalloc(sizeof(struct clk_onecell_data), GFP_KERNEL);
if (!clk_data)
if (!clk_data) {
iounmap(reg);
return;
}
clk_data->clks = kzalloc(qty * sizeof(struct clk *), GFP_KERNEL);
if (!clk_data->clks) {
kfree(clk_data);
iounmap(reg);
return;
}