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hwmon: (g762) add a check of devm_add_action in g762_of_clock_enable
author
Kang Chen
<void0red@gmail.com>
Mon, 27 Feb 2023 03:09:12 +0000
(11:09 +0800)
committer
Guenter Roeck
<linux@roeck-us.net>
Wed, 19 Apr 2023 14:08:31 +0000
(07:08 -0700)
devm_add_action may fails, check it and do the cleanup.
Signed-off-by: Kang Chen <void0red@gmail.com>
Link:
https://lore.kernel.org/r/20230227030913.893004-1-void0red@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/g762.c
patch
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diff --git
a/drivers/hwmon/g762.c
b/drivers/hwmon/g762.c
index
64a0599
..
e2c3c34
100644
(file)
--- a/
drivers/hwmon/g762.c
+++ b/
drivers/hwmon/g762.c
@@
-620,7
+620,12
@@
static int g762_of_clock_enable(struct i2c_client *client)
data = i2c_get_clientdata(client);
data->clk = clk;
- devm_add_action(&client->dev, g762_of_clock_disable, data);
+ ret = devm_add_action(&client->dev, g762_of_clock_disable, data);
+ if (ret) {
+ dev_err(&client->dev, "failed to add disable clock action\n");
+ goto clk_unprep;
+ }
+
return 0;
clk_unprep: