ALSA: ac97: fix check of pm_runtime_get_sync failure

BugLink: https://bugs.launchpad.net/bugs/1835972
commit d15ec0b482ff502e4e19e43d15aa5072e4290199 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>

diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c
index 31f858eceffcb29937a05b143e920f6b8b8abfef..c267e44fefa0891c979899f1f5fd0932005278a5 100644 (file)
--- a/sound/ac97/bus.c
+++ b/sound/ac97/bus.c
@@ -503,7 +503,7 @@ 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);