From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuval Shaia Subject: Re: [PATCH for-next] IB/core: Fix for core panic Date: Thu, 31 Aug 2017 11:09:44 +0300 Message-ID: <20170831080943.GA4133@yuvallap> References: <20170830191409.4386.45635.stgit@scvm10.sc.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20170830191409.4386.45635.stgit-9QXIwq+3FY+1XWohqUldA0EOCMrvLtNR@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Dennis Dalessandro Cc: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Alex Estrin List-Id: linux-rdma@vger.kernel.org On Wed, Aug 30, 2017 at 12:14:10PM -0700, Dennis Dalessandro wrote: > From: Alex Estrin > > Rdma device driver may not have implemented (*get_link_layer)() > so it can not be called directly. Should use appropriate helper function. > > Fixes: 523633359224 ("IB/core: Fix the validations of a multicast LID in attach or detach operations") > Signed-off-by: Alex Estrin > Signed-off-by: Dennis Dalessandro Reviewed-by: Yuval Shaia > --- > drivers/infiniband/core/verbs.c | 7 ++++--- > 1 files changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c > index ee9e27d..123084a 100644 > --- a/drivers/infiniband/core/verbs.c > +++ b/drivers/infiniband/core/verbs.c > @@ -1646,8 +1646,9 @@ static bool is_valid_mcast_lid(struct ib_qp *qp, u16 lid) > */ > if (!ib_query_qp(qp, &attr, IB_QP_STATE | IB_QP_PORT, &init_attr)) { > if (attr.qp_state >= IB_QPS_INIT) { > - if (qp->device->get_link_layer(qp->device, attr.port_num) != > - IB_LINK_LAYER_INFINIBAND) > + enum rdma_link_layer ll = > + rdma_port_get_link_layer(qp->device, attr.port_num); > + if (ll != IB_LINK_LAYER_INFINIBAND) > return true; > goto lid_check; > } > @@ -1655,7 +1656,7 @@ static bool is_valid_mcast_lid(struct ib_qp *qp, u16 lid) > > /* Can't get a quick answer, iterate over all ports */ > for (port = 0; port < qp->device->phys_port_cnt; port++) > - if (qp->device->get_link_layer(qp->device, port) != > + if (rdma_port_get_link_layer(qp->device, port) != > IB_LINK_LAYER_INFINIBAND) > num_eth_ports++; > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html