clk: st: clk-flexgen: Unmap region obtained by of_iomap

Free memory mapping, if probe is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c
index a485f3b..918ba31 100644 (file)
--- a/drivers/clk/st/clk-flexgen.c
+++ b/drivers/clk/st/clk-flexgen.c
@@ -329,8 +329,10 @@ static void __init st_of_flexgen_setup(struct device_node *np)
                return;
 
        parents = flexgen_get_parents(np, &num_parents);
-       if (!parents)
+       if (!parents) {
+               iounmap(reg);
                return;
+       }
 
        match = of_match_node(flexgen_of_match, np);
        if (match) {
@@ -394,6 +396,7 @@ static void __init st_of_flexgen_setup(struct device_node *np)
        return;
 
 err:
+       iounmap(reg);
        if (clk_data)
                kfree(clk_data->clks);
        kfree(clk_data);