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authorMartin Peres <martin.peres@free.fr>2014-07-14 11:12:56 +0200
committerBen Skeggs <bskeggs@redhat.com>2014-07-15 12:33:00 +1000
commitbb78e7a12aa4898901d44bcb9d418f4188594427 (patch)
treedadc8f396c2fff7d24041eb79b86338baad4f49a
parent0b4e8e7fd506d4ddb96f71230252d14066ce1597 (diff)
drm/nouveau/therm: fix a potential deadlock in the therm monitoring codelinux-3.16
Signed-off-by: Martin Peres <martin.peres@free.fr> Tested-by: Stefan Ringel <mail@stefanringel.de> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/therm/temp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
index cfde9eb44ad0..6212537b90c5 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
@@ -192,11 +192,11 @@ alarm_timer_callback(struct nouveau_alarm *alarm)
nouveau_therm_threshold_hyst_polling(therm, &sensor->thrs_shutdown,
NOUVEAU_THERM_THRS_SHUTDOWN);
+ spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags);
+
/* schedule the next poll in one second */
if (therm->temp_get(therm) >= 0 && list_empty(&alarm->head))
- ptimer->alarm(ptimer, 1000 * 1000 * 1000, alarm);
-
- spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags);
+ ptimer->alarm(ptimer, 1000000000ULL, alarm);
}
void