> -----Original Message----- > From: Ursula Braun [mailto:ubraun@xxxxxxxxxxxxxxxxxx] > Sent: Wednesday, October 11, 2017 6:47 AM > To: davem@xxxxxxxxxxxxx > Cc: netdev@xxxxxxxxxxxxxxx; linux-rdma@xxxxxxxxxxxxxxx; linux- > s390@xxxxxxxxxxxxxxx; jwi@xxxxxxxxxxxxxxxxxx; schwidefsky@xxxxxxxxxx; > heiko.carstens@xxxxxxxxxx; raspl@xxxxxxxxxxxxxxxxxx; > ubraun@xxxxxxxxxxxxxxxxxx; Parav Pandit <parav@xxxxxxxxxxxx> > Subject: [PATCH v2 net 2/2] net/smc: dev_put for netdev after usage of > ib_query_gid() > > For RoCEs ib_query_gid() takes a reference count on the net_device. > This reference count must be decreased by the caller. > > Signed-off-by: Ursula Braun <ubraun@xxxxxxxxxxxxxxxxxx> > Reported-by: Parav Pandit <parav@xxxxxxxxxxxx> > Reviewed-by: Parav Pandit <parav@xxxxxxxxxxxx> > Fixes: 0cfdd8f92cac ("smc: connection and link group creation") > --- > net/smc/smc_core.c | 12 ++++++++---- > 1 file changed, 8 insertions(+), 4 deletions(-) > > diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index > 20b66e79c5d6..5f6a20084157 100644 > --- a/net/smc/smc_core.c > +++ b/net/smc/smc_core.c > @@ -380,10 +380,14 @@ static int smc_link_determine_gid(struct > smc_link_group *lgr) > if (ib_query_gid(lnk->smcibdev->ibdev, lnk->ibport, i, &gid, > &gattr)) > continue; > - if (gattr.ndev && > - (vlan_dev_vlan_id(gattr.ndev) == lgr->vlan_id)) { > - lnk->gid = gid; > - return 0; > + if (gattr.ndev) { > + if (is_vlan_dev(gattr.ndev) && > + vlan_dev_vlan_id(gattr.ndev) == lgr->vlan_id) { > + lnk->gid = gid; > + dev_put(gattr.ndev); > + return 0; > + } > + dev_put(gattr.ndev); > } > } > return -ENODEV; > -- > 2.13.5 Looks fine now. -- 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
