Commit 70145df8 authored Nov 16, 2020 by Mukesh Ojha

FROMLIST: thermal: Fix NULL pointer dereference issue

Cooling stats variable inside thermal_cooling_device_stats_update()
can get NULL. We should add a valid check on stat before using it.

Bug: 173355233
Link: https://lore.kernel.org/lkml/1605544181-5348-1-git-send-email-mojha@codeaurora.org/


Change-Id: I48105dcf8ff81d272534c59b7120a6d9fc831d04
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>

parent 7982ae0c

drivers/thermal/thermal_sysfs.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -770,6 +770,9 @@ void thermal_cooling_device_stats_update(struct thermal_cooling_device *cdev,
		{
		struct cooling_dev_stats *stats = cdev->stats;

		if (!stats)
		return;

		spin_lock(&stats->lock);

		if (stats->state == new_state)