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qed: Don't free a QP more than once
If QP is in reset state then there are no resources to free so avoid freeing any. Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1849,6 +1849,7 @@ err_resp:
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static int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp)
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static int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp)
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{
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{
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struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
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u32 num_invalidated_mw = 0;
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u32 num_invalidated_mw = 0;
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u32 num_bound_mw = 0;
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u32 num_bound_mw = 0;
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u32 start_cid;
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u32 start_cid;
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@ -1863,36 +1864,40 @@ static int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp)
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return -EINVAL;
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return -EINVAL;
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}
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}
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rc = qed_roce_sp_destroy_qp_responder(p_hwfn, qp, &num_invalidated_mw);
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if (qp->cur_state != QED_ROCE_QP_STATE_RESET) {
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if (rc)
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rc = qed_roce_sp_destroy_qp_responder(p_hwfn, qp,
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return rc;
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&num_invalidated_mw);
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if (rc)
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return rc;
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/* Send destroy requester ramrod */
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/* Send destroy requester ramrod */
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rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp, &num_bound_mw);
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rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp,
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if (rc)
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&num_bound_mw);
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return rc;
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if (rc)
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return rc;
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if (num_invalidated_mw != num_bound_mw) {
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if (num_invalidated_mw != num_bound_mw) {
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DP_NOTICE(p_hwfn,
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DP_NOTICE(p_hwfn,
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"number of invalidate memory windows is different from bounded ones\n");
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"number of invalidate memory windows is different from bounded ones\n");
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return -EINVAL;
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return -EINVAL;
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}
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spin_lock_bh(&p_rdma_info->lock);
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start_cid = qed_cxt_get_proto_cid_start(p_hwfn,
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p_rdma_info->proto);
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/* Release responder's icid */
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qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map,
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qp->icid - start_cid);
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/* Release requester's icid */
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qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map,
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qp->icid + 1 - start_cid);
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spin_unlock_bh(&p_rdma_info->lock);
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}
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}
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spin_lock_bh(&p_hwfn->p_rdma_info->lock);
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start_cid = qed_cxt_get_proto_cid_start(p_hwfn,
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p_hwfn->p_rdma_info->proto);
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/* Release responder's icid */
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qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map,
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qp->icid - start_cid);
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/* Release requester's icid */
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qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map,
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qp->icid + 1 - start_cid);
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spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
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return 0;
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return 0;
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}
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}
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