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Target/iser: Fix a wrong dereference in case discovery session is over iser

In case the discovery session is carried over iser, we can't
access the assumed network portal since the default portal is
used. In this case we don't really need to allocate the fastreg
pool, just prepare to the text pdu that will follow.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Reported-by: Alex Tabachnik <alext@mellanox.com>
Cc: stable@vger.kernel.org # 3.15+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Sagi Grimberg 11 年之前
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共有 1 个文件被更改,包括 3 次插入1 次删除
  1. 3 1
      drivers/infiniband/ulp/isert/ib_isert.c

+ 3 - 1
drivers/infiniband/ulp/isert/ib_isert.c

@@ -1053,7 +1053,9 @@ isert_put_login_tx(struct iscsi_conn *conn, struct iscsi_login *login,
 	}
 	if (!login->login_failed) {
 		if (login->login_complete) {
-			if (isert_conn->conn_device->use_fastreg) {
+			if (!conn->sess->sess_ops->SessionType &&
+			    isert_conn->conn_device->use_fastreg) {
+				/* Normal Session and fastreg is used */
 				u8 pi_support = login->np->tpg_np->tpg->tpg_attrib.t10_pi;
 
 				ret = isert_conn_create_fastreg_pool(isert_conn,