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-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c20
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h2
-rw-r--r--drivers/infiniband/ulp/iser/iser_initiator.c6
3 files changed, 16 insertions, 12 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 08edbaf8922..c02eabd383a 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -281,9 +281,6 @@ iscsi_iser_conn_create(struct iscsi_cls_session *cls_session, uint32_t conn_idx)
conn->max_recv_dlength = 128;
iser_conn = conn->dd_data;
- /* currently this is the only field which need to be initiated */
- rwlock_init(&iser_conn->lock);
-
conn->dd_data = iser_conn;
iser_conn->iscsi_conn = conn;
@@ -342,9 +339,6 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session,
ib_conn->iser_conn = iser_conn;
iser_conn->ib_conn = ib_conn;
iser_conn_get(ib_conn);
-
- conn->recv_lock = &iser_conn->lock;
-
return 0;
}
@@ -355,12 +349,18 @@ iscsi_iser_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
struct iscsi_iser_conn *iser_conn = conn->dd_data;
struct iser_conn *ib_conn = iser_conn->ib_conn;
- iscsi_conn_stop(cls_conn, flag);
/*
- * There is no unbind event so the stop callback
- * must release the ref from the bind.
+ * Userspace may have goofed up and not bound the connection or
+ * might have only partially setup the connection.
*/
- iser_conn_put(ib_conn);
+ if (ib_conn) {
+ iscsi_conn_stop(cls_conn, flag);
+ /*
+ * There is no unbind event so the stop callback
+ * must release the ref from the bind.
+ */
+ iser_conn_put(ib_conn);
+ }
iser_conn->ib_conn = NULL;
}
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index cdf48763b08..a547edeea96 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -263,8 +263,6 @@ struct iser_conn {
struct iscsi_iser_conn {
struct iscsi_conn *iscsi_conn;/* ptr to iscsi conn */
struct iser_conn *ib_conn; /* iSER IB conn */
-
- rwlock_t lock;
};
struct iscsi_iser_task {
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 35af60a23c6..c3608392213 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -558,7 +558,12 @@ void iser_rcv_completion(struct iser_desc *rx_desc,
opcode = hdr->opcode & ISCSI_OPCODE_MASK;
if (opcode == ISCSI_OP_SCSI_CMD_RSP) {
+ spin_lock(&conn->iscsi_conn->session->lock);
task = iscsi_itt_to_ctask(conn->iscsi_conn, hdr->itt);
+ if (task)
+ __iscsi_get_task(task);
+ spin_unlock(&conn->iscsi_conn->session->lock);
+
if (!task)
iser_err("itt can't be matched to task!!! "
"conn %p opcode %d itt %d\n",
@@ -568,6 +573,7 @@ void iser_rcv_completion(struct iser_desc *rx_desc,
iser_dbg("itt %d task %p\n",hdr->itt, task);
iser_task->status = ISER_TASK_STATUS_COMPLETED;
iser_task_rdma_finalize(iser_task);
+ iscsi_put_task(task);
}
}
iser_dto_buffs_release(dto);