From: Christophe JAILLET > Sent: 06 May 2017 06:30 > If 'devm_kzalloc' fails, a NULL pointer will be dereferenced. > Return -ENOMEM instead, as done for some other memory allocation just a > few lines above. ... > --- a/drivers/net/dsa/dsa_loop.c > +++ b/drivers/net/dsa/dsa_loop.c > @@ -256,6 +256,9 @@ static int dsa_loop_drv_probe(struct mdio_device *mdiodev) > return -ENOMEM; > > ps = devm_kzalloc(&mdiodev->dev, sizeof(*ps), GFP_KERNEL); > + if (!ps) > + return -ENOMEM; > + > ps->netdev = dev_get_by_name(&init_net, pdata->netdev); > if (!ps->netdev) > return -EPROBE_DEFER; On the face if it this code leaks like a sieve. David -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html