RDMA/iw_cxgb4: remove abort_connection() usage from accept/reject

Use c4iw_ep_disconnect() instead. This is part of getting rid of
abort_connection() altogether so we properly clean up on send_abort()
failures.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 864da9dec9f6349cb4e9686eaf21cc5df566eea9..d862369b5dd793b2fd231982d778edcb3e3d64b3 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2922,14 +2922,14 @@ int c4iw_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
        set_bit(ULP_REJECT, &ep->com.history);
        BUG_ON(ep->com.state != MPA_REQ_RCVD);
        if (mpa_rev == 0)
-               abort_connection(ep, NULL, GFP_KERNEL);
+               disconnect = 2;
        else {
                err = send_mpa_reject(ep, pdata, pdata_len);
                disconnect = 1;
        }
        mutex_unlock(&ep->com.mutex);
        if (disconnect)
-               err = c4iw_ep_disconnect(ep, 0, GFP_KERNEL);
+               err = c4iw_ep_disconnect(ep, disconnect == 2, GFP_KERNEL);
        c4iw_put_ep(&ep->com);
        return 0;
 }
@@ -2942,13 +2942,14 @@ int c4iw_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
        struct c4iw_ep *ep = to_ep(cm_id);
        struct c4iw_dev *h = to_c4iw_dev(cm_id->device);
        struct c4iw_qp *qp = get_qhp(h, conn_param->qpn);
+       int abort = 0;
 
        PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
 
        mutex_lock(&ep->com.mutex);
        if (ep->com.state == DEAD) {
                err = -ECONNRESET;
-               goto err;
+               goto err_out;
        }
 
        BUG_ON(ep->com.state != MPA_REQ_RCVD);
@@ -2957,9 +2958,8 @@ int c4iw_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
        set_bit(ULP_ACCEPT, &ep->com.history);
        if ((conn_param->ord > cur_max_read_depth(ep->com.dev)) ||
            (conn_param->ird > cur_max_read_depth(ep->com.dev))) {
-               abort_connection(ep, NULL, GFP_KERNEL);
                err = -EINVAL;
-               goto err;
+               goto err_abort;
        }
 
        if (ep->mpa_attr.version == 2 && ep->mpa_attr.enhanced_rdma_conn) {
@@ -2971,9 +2971,8 @@ int c4iw_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
                                ep->ord = conn_param->ord;
                                send_mpa_reject(ep, conn_param->private_data,
                                                conn_param->private_data_len);
-                               abort_connection(ep, NULL, GFP_KERNEL);
                                err = -ENOMEM;
-                               goto err;
+                               goto err_abort;
                        }
                }
                if (conn_param->ird < ep->ord) {
@@ -2981,9 +2980,8 @@ int c4iw_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
                            ep->ord <= h->rdev.lldi.max_ordird_qp) {
                                conn_param->ird = ep->ord;
                        } else {
-                               abort_connection(ep, NULL, GFP_KERNEL);
                                err = -ENOMEM;
-                               goto err;
+                               goto err_abort;
                        }
                }
        }
@@ -3024,23 +3022,26 @@ int c4iw_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
        err = c4iw_modify_qp(ep->com.qp->rhp,
                             ep->com.qp, mask, &attrs, 1);
        if (err)
-               goto err1;
+               goto err_deref_cm_id;
        err = send_mpa_reply(ep, conn_param->private_data,
                             conn_param->private_data_len);
        if (err)
-               goto err1;
+               goto err_deref_cm_id;
 
        __state_set(&ep->com, FPDU_MODE);
        established_upcall(ep);
        mutex_unlock(&ep->com.mutex);
        c4iw_put_ep(&ep->com);
        return 0;
-err1:
+err_deref_cm_id:
        ep->com.cm_id = NULL;
-       abort_connection(ep, NULL, GFP_KERNEL);
        cm_id->rem_ref(cm_id);
-err:
+err_abort:
+       abort = 1;
+err_out:
        mutex_unlock(&ep->com.mutex);
+       if (abort)
+               c4iw_ep_disconnect(ep, 1, GFP_KERNEL);
        c4iw_put_ep(&ep->com);
        return err;
 }