[PATCH 5/7] ASoC: codecs: wsa883x: disable runtime PM on unbind

[Srinivas Kandagatla]

Probe enables runtime PM but nothing disables it on unbind, or when
registering the component fails. A pending autosuspend can then run
wsa883x_runtime_suspend() after the devm-managed regmap is freed, and
dereference NULL, as seen on wsa884x.

Use devm_pm_runtime_enable() so runtime PM is disabled before the regmap
is freed.

Fixes: 43b8c7dc85a1 ("ASoC: codecs: add wsa883x amplifier support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxxxxxxxx>
---
 sound/soc/codecs/wsa883x.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wsa883x.c b/sound/soc/codecs/wsa883x.c
index ccd4404c1644..b09ee3db7ed5 100644
--- a/sound/soc/codecs/wsa883x.c
+++ b/sound/soc/codecs/wsa883x.c
@@ -1669,7 +1669,9 @@ static int wsa883x_probe(struct sdw_slave *pdev,
 	pm_runtime_use_autosuspend(dev);
 	pm_runtime_mark_last_busy(dev);
 	pm_runtime_set_active(dev);
-	pm_runtime_enable(dev);
+	ret = devm_pm_runtime_enable(dev);
+	if (ret)
+		goto err;
 
 	ret = devm_snd_soc_register_component(dev,
 					      &wsa883x_component_drv,
-- 
2.47.3