From: Li Zhong <floridsleeves@gmail.com>
To: linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org
Cc: mturquette@baylibre.com, sboyd@kernel.org,
Li Zhong <floridsleeves@gmail.com>
Subject: [PATCH v2] drivers/clk/clk: check return value of clk_pm_runtime_get()
Date: Sat, 3 Sep 2022 15:41:25 -0700 [thread overview]
Message-ID: <20220903224125.2276690-1-floridsleeves@gmail.com> (raw)
clk_pm_runtime_get() could fail. Check the return status.
Signed-off-by: Li Zhong <floridsleeves@gmail.com>
---
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
next reply other threads:[~2022-09-03 22:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-03 22:41 Li Zhong [this message]
2022-09-30 0:27 ` [PATCH v2] drivers/clk/clk: check return value of clk_pm_runtime_get() Stephen Boyd
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