[PATCH] clk/meson: fixes memleak issue in init err branch

[Bernard Zhao]

In common init function, when run into err branch, we didn`t
use kfree to release kzmalloc area, this may bring in memleak

Signed-off-by: Bernard Zhao <bern...@vivo.com>
---
 drivers/clk/meson/meson8b.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index 34a70c4b4899..0f07d5a4cd16 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -3687,6 +3687,7 @@ static void __init meson8b_clkc_init_common(struct 
device_node *np,
        if (ret) {
                pr_err("%s: Failed to register clkc reset controller: %d\n",
                       __func__, ret);
+               kfree(rstc);
                return;
        }
 
@@ -3710,8 +3711,10 @@ static void __init meson8b_clkc_init_common(struct 
device_node *np,
                        continue;
 
                ret = of_clk_hw_register(np, clk_hw_onecell_data->hws[i]);
-               if (ret)
+               if (ret) {
+                       kfree(rstc);
                        return;
+               }
        }
 
        meson8b_cpu_nb_data.cpu_clk = clk_hw_onecell_data->hws[CLKID_CPUCLK];
@@ -3727,13 +3730,16 @@ static void __init meson8b_clkc_init_common(struct 
device_node *np,
        if (ret) {
                pr_err("%s: failed to register the CPU clock notifier\n",
                       __func__);
+               kfree(rstc);
                return;
        }
 
        ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get,
                                     clk_hw_onecell_data);
-       if (ret)
+       if (ret) {
                pr_err("%s: failed to register clock provider\n", __func__);
+               kfree(rstc);
+       }
 }
 
 static void __init meson8_clkc_init(struct device_node *np)
-- 
2.26.2