As it devm_pm_runtime_enable() can fail due to memory allocations, it is best to handle the error. Suggested-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx> --- No change since v3. Thanks, Charles drivers/mfd/cs42l43.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mfd/cs42l43.c b/drivers/mfd/cs42l43.c index aea0f8f48578..56bd9dbbe10b 100644 --- a/drivers/mfd/cs42l43.c +++ b/drivers/mfd/cs42l43.c @@ -1065,7 +1065,9 @@ int cs42l43_dev_probe(struct cs42l43 *cs42l43) * the boot work runs. */ pm_runtime_get_noresume(cs42l43->dev); - devm_pm_runtime_enable(cs42l43->dev); + ret = devm_pm_runtime_enable(cs42l43->dev); + if (ret) + return ret; queue_work(system_long_wq, &cs42l43->boot_work); -- 2.30.2