From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Fri, 12 Jan 2024 14:30:18 +0000 (+0300)
Subject: thermal/debugfs: Unlock on error path in thermal_debug_tz_trip_up()
X-Git-Tag: v6.8-rc1~74^2^2
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=6dcb35088e264306b948141971286257681ca412;p=linux-block.git

thermal/debugfs: Unlock on error path in thermal_debug_tz_trip_up()

Add a missing mutex_unlock(&thermal_dbg->lock) to this error path.

Fixes: 7ef01f228c9f ("thermal/debugfs: Add thermal debugfs information for mitigation episodes")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/drivers/thermal/thermal_debugfs.c b/drivers/thermal/thermal_debugfs.c
index b53881e9e0b6..c617e8b9f0dd 100644
--- a/drivers/thermal/thermal_debugfs.c
+++ b/drivers/thermal/thermal_debugfs.c
@@ -592,7 +592,7 @@ void thermal_debug_tz_trip_up(struct thermal_zone_device *tz,
 	if (!tz_dbg->nr_trips) {
 		tze = thermal_debugfs_tz_event_alloc(tz, now);
 		if (!tze)
-			return;
+			goto unlock;
 
 		list_add(&tze->node, &tz_dbg->tz_episodes);
 	}
@@ -620,6 +620,7 @@ void thermal_debug_tz_trip_up(struct thermal_zone_device *tz,
 		(temperature - tze->trip_stats[trip_id].avg) /
 		tze->trip_stats[trip_id].count;
 
+unlock:
 	mutex_unlock(&thermal_dbg->lock);
 }