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Message-Id: <20230719011636.2893238-1-peng.fan@oss.nxp.com>
Date: Wed, 19 Jul 2023 09:16:35 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: rafael@...nel.org, daniel.lezcano@...aro.org
Cc: amitk@...nel.org, rui.zhang@...el.com, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: [PATCH 1/2] thermal/core: fix potential memory leak
From: Peng Fan <peng.fan@....com>
thermal_set_governor may allocate memory for tz->governor_data, so
need free it in failure handling path.
Addresses-Coverity: 25777220 ("Memory leak")
Signed-off-by: Peng Fan <peng.fan@....com>
---
drivers/thermal/thermal_core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 842f678c1c3e..f633924406ad 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1355,6 +1355,9 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
return tz;
unregister:
+ if (tz->governor && tz->governor->unbind_from_tz)
+ tz->governor->unbind_from_tz(tz);
+
device_del(&tz->device);
release_device:
put_device(&tz->device);
--
2.37.1
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