On Mon, Oct 25, 2010 at 11:06:43AM +0200, Ursula Braun wrote: > Subject: [patch 1/1] [PATCH BUG_FIX] ipv6: fix refcnt problem related to POSTDAD state > > From: Ursula Braun <ursula.braun@xxxxxxxxxx> > > After running this bonding setup script > modprobe bonding miimon=100 mode=0 max_bonds=1 > ifconfig bond0 10.1.1.1/16 > ifenslave bond0 eth1 > ifenslave bond0 eth3 > on s390 with qeth-driven slaves, modprobe -r fails with this message > unregister_netdevice: waiting for bond0 to become free. Usage count = 1 > due to twice detection of duplicate address. > Problem is caused by a missing decrease of ifp->refcnt in addrconf_dad_failure. > An extra call of in6_ifa_put(ifp) solves it. > Problem has been introduced with commit f2344a131bccdbfc5338e17fa71a807dee7944fa. > > Signed-off-by: Ursula Braun <ursula.braun@xxxxxxxxxx> > Cc: David S. Miller <davem@xxxxxxxxxxxxx> Acked-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Thanks for catching this! -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
