[PATCH v2] drivers/clk/clk: check return value of clk_pm_runtime_get()

From: Li Zhong
Date: Sat Sep 03 2022 - 18:46:31 EST


clk_pm_runtime_get() could fail. Check the return status.

Signed-off-by: Li Zhong <floridsleeves@xxxxxxxxx>
---
drivers/clk/clk.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 7fc191c15507..09353f7bf052 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2981,8 +2981,12 @@ static void clk_summary_show_subtree(struct seq_file *s, struct clk_core *c,
int level)
{
struct clk_core *child;
+ int ret;
+
+ ret = clk_pm_runtime_get(c);
+ if (ret)
+ return;

- clk_pm_runtime_get(c);
clk_summary_show_one(s, c, level);
clk_pm_runtime_put(c);

--
2.25.1