[PATCH v1] drivers/clk/clk: check return value of clk_pm_runtime_get()

[Li Zhong <floridsleeves@gmail.com>]

From: lily <floridsleeves@gmail.com>

clk_pm_runtime_get() could fail. Check the return status.

Signed-off-by: Li Zhong <floridsleeves@gmail.com>
---
 drivers/clk/clk.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 7fc191c15507..f22b86dfe2f2 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2981,8 +2981,11 @@ static void clk_summary_show_subtree(struct seq_file *s, struct clk_core *c,
 				     int level)
 {
 	struct clk_core *child;
-
-	clk_pm_runtime_get(c);
+	int ret;
+	
+	ret = clk_pm_runtime_get(c);
+    if (ret)
+        return;
 	clk_summary_show_one(s, c, level);
 	clk_pm_runtime_put(c);
 
-- 
2.25.1