David Laight <David.Laight@xxxxxxxxxx> wrote: > > From: Florian Westphal <fw@xxxxxxxxx> > > > > ifname_compare() assumes that skb->dev is zero-padded, > > e.g 'eth1\0\0\0\0\0...'. This isn't always the case. e1000 driver does > > > > strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1); > > > > in e1000_probe(), so once device is registered dev->name memory > contains > > 'eth1\0:0:3\0\0\0' (or something like that), which makes eth1 compare > fail. > > strncpy() would normally zero-fill the destination buffer > (at least the libc version does). > > So something else must be wrong. No. driver .probe() runs before the device name is filled in, and no explict zeroing happens there. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html