clk: mediatek: clk-mt8173: Unmap region obtained by of_iomap

Free memory mapping if init is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c
index 10c986018a08..0ac3aee87726 100644
--- a/drivers/clk/mediatek/clk-mt8173.c
+++ b/drivers/clk/mediatek/clk-mt8173.c
@@ -1074,8 +1074,10 @@ static void __init mtk_apmixedsys_init(struct device_node *node)
         }
 
         mt8173_pll_clk_data = clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
-        if (!clk_data)
+        if (!clk_data) {
+                iounmap(base);
                 return;
+        }
 
         mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);