ALSA: ac97: fix check of pm_runtime_get_sync failure

pm_runtime_get_sync returns negative on failure.

Fixes: 74426fbff66e ("ALSA: ac97: add an ac97 bus")
Signed-off-by: Lihua Yao <ylhuajnu@163.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c
index 7a0dfca03a57d5b4cd7cbb00d73da095aa076679..640812cb2152f905f2210e194988f5f62af728a9 100644 (file)
--- a/sound/ac97/bus.c
+++ b/sound/ac97/bus.c
@@ -529,7 +529,7 @@ static int ac97_bus_remove(struct device *dev)
        int ret;
 
        ret = pm_runtime_get_sync(dev);
-       if (ret)
+       if (ret < 0)
                return ret;
 
        ret = adrv->remove(adev);