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authorHariprasad S2016-05-05 01:27:34 +0530
committerDoug Ledford2016-05-05 16:11:14 -0400
commiteaf4c6d46a6948302b64be2b7149cce22131ee0d (patch)
tree8e0b0d1905303c07fe2c5702707a84096ca69e8b /drivers/infiniband/hw/cxgb4
parentfef4422d00c135da4300d7d58e62cd0afe2af730 (diff)
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>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4')
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 864da9dec9f6..d862369b5dd7 100644
--- 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;
}