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isert: Make sure we decrement CQ QP counters if QP creation fails

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Signed-off-by: Yan Burman <yanb@mellanox.com>

git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@5863 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Yan Burman
2014-11-16 13:23:31 +00:00
parent f784590bb8
commit 6a258d3629
1 changed files with 12 additions and 1 deletions
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13
iscsi-scst/kernel/isert-scst/iser_rdma.c
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@@ -1011,7 +1011,7 @@ static int isert_conn_qp_create(struct isert_connection *isert_conn)
err = rdma_create_qp(cm_id, isert_dev->pd, &qp_attr);
if (unlikely(err)) {
pr_err("Failed to create qp, err:%d\n", err);
goto out;
goto fail_create_qp;
}
isert_conn->qp = cm_id->qp;
@@ -1020,6 +1020,12 @@ static int isert_conn_qp_create(struct isert_connection *isert_conn)
out:
TRACE_EXIT_RES(err);
return err;
fail_create_qp:
mutex_lock(&dev_list_mutex);
isert_dev->cq_qps[cq_idx]--;
mutex_unlock(&dev_list_mutex);
goto out;
}
static void isert_conn_qp_destroy(struct isert_connection *isert_conn)
@@ -1033,6 +1039,7 @@ static struct isert_connection *isert_conn_create(struct rdma_cm_id *cm_id,
{
struct isert_connection *isert_conn;
int err;
struct isert_cq *cq;
TRACE_ENTRY();
@@ -1089,6 +1096,10 @@ static struct isert_connection *isert_conn_create(struct rdma_cm_id *cm_id,
return isert_conn;
fail_post_recv:
cq = isert_conn->qp->recv_cq->cq_context;
mutex_lock(&dev_list_mutex);
isert_dev->cq_qps[cq->idx]--;
mutex_unlock(&dev_list_mutex);
isert_conn_qp_destroy(isert_conn);
fail_qp:
isert_pdu_free(isert_conn->login_rsp_pdu);