forked from Minki/linux
IB/cm: Use correct reject code for invalid GID
Set the reject code properly when rejecting a request that contains an invalid GID. A suitable GID is returned by the IB CM in the additional reject information (ARI). This is a spec compliancy issue. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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c1f250c0b4
commit
76842405fc
@ -1354,7 +1354,7 @@ static int cm_req_handler(struct cm_work *work)
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id.local_id);
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if (IS_ERR(cm_id_priv->timewait_info)) {
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ret = PTR_ERR(cm_id_priv->timewait_info);
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goto error1;
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goto destroy;
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}
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cm_id_priv->timewait_info->work.remote_id = req_msg->local_comm_id;
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cm_id_priv->timewait_info->remote_ca_guid = req_msg->local_ca_guid;
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@ -1363,7 +1363,8 @@ static int cm_req_handler(struct cm_work *work)
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listen_cm_id_priv = cm_match_req(work, cm_id_priv);
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if (!listen_cm_id_priv) {
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ret = -EINVAL;
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goto error2;
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kfree(cm_id_priv->timewait_info);
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goto destroy;
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}
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cm_id_priv->id.cm_handler = listen_cm_id_priv->id.cm_handler;
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@ -1373,12 +1374,22 @@ static int cm_req_handler(struct cm_work *work)
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cm_format_paths_from_req(req_msg, &work->path[0], &work->path[1]);
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ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av);
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if (ret)
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goto error3;
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if (ret) {
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ib_get_cached_gid(work->port->cm_dev->device,
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work->port->port_num, 0, &work->path[0].sgid);
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ib_send_cm_rej(cm_id, IB_CM_REJ_INVALID_GID,
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&work->path[0].sgid, sizeof work->path[0].sgid,
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NULL, 0);
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goto rejected;
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}
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if (req_msg->alt_local_lid) {
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ret = cm_init_av_by_path(&work->path[1], &cm_id_priv->alt_av);
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if (ret)
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goto error3;
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if (ret) {
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ib_send_cm_rej(cm_id, IB_CM_REJ_INVALID_ALT_GID,
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&work->path[0].sgid,
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sizeof work->path[0].sgid, NULL, 0);
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goto rejected;
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}
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}
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cm_id_priv->tid = req_msg->hdr.tid;
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cm_id_priv->timeout_ms = cm_convert_to_ms(
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@ -1400,12 +1411,11 @@ static int cm_req_handler(struct cm_work *work)
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cm_deref_id(listen_cm_id_priv);
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return 0;
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error3: atomic_dec(&cm_id_priv->refcount);
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rejected:
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atomic_dec(&cm_id_priv->refcount);
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cm_deref_id(listen_cm_id_priv);
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cm_cleanup_timewait(cm_id_priv->timewait_info);
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error2: kfree(cm_id_priv->timewait_info);
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cm_id_priv->timewait_info = NULL;
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error1: ib_destroy_cm_id(&cm_id_priv->id);
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destroy:
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ib_destroy_cm_id(cm_id);
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return ret;
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}
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