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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 12:31:07 +1000
commitc5bacfd50dfa8e4594bcd9ae2d71942076e5dbb7 (patch)
treeb19b55e445d5ab49c87fbd1c3f04c8d71b7ec45c
parent4a25ca4701015e186c9e2ca4486583458c8f1175 (diff)
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--nvkm/subdev/therm/temp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/nvkm/subdev/therm/temp.c b/nvkm/subdev/therm/temp.c
index cfde9eb4..6212537b 100644
--- a/nvkm/subdev/therm/temp.c
+++ b/nvkm/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