It seems since inception that mutex_destroy was never called for these in _remove. Instead of handling this manually, just use devm for simplicity. Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx> --- drivers/net/ethernet/ibm/emac/core.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index f8478f0026af..3bea10624291 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -3021,8 +3021,14 @@ static int emac_probe(struct platform_device *ofdev) SET_NETDEV_DEV(ndev, &ofdev->dev); /* Initialize some embedded data structures */ - mutex_init(&dev->mdio_lock); - mutex_init(&dev->link_lock); + err = devm_mutex_init(&ofdev->dev, &dev->mdio_lock); + if (err) + goto err_gone; + + err = devm_mutex_init(&ofdev->dev, &dev->link_lock); + if (err) + goto err_gone; + spin_lock_init(&dev->lock); INIT_WORK(&dev->reset_work, emac_reset_work); -- 2.47.0