iser-target: fix error return code in isert_create_device_ib_res()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: <stable@vger.kernel.org> #3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 6be57c38638d28dd0a39464bffe391c4a093f478..78f6e92c571f8b2bfad1444f11d0ce24cd347a5b 100644 (file)
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -264,21 +264,29 @@ isert_create_device_ib_res(struct isert_device *device)
                                                isert_cq_event_callback,
                                                (void *)&cq_desc[i],
                                                ISER_MAX_RX_CQ_LEN, i);
-               if (IS_ERR(device->dev_rx_cq[i]))
+               if (IS_ERR(device->dev_rx_cq[i])) {
+                       ret = PTR_ERR(device->dev_rx_cq[i]);
+                       device->dev_rx_cq[i] = NULL;
                        goto out_cq;
+               }
 
                device->dev_tx_cq[i] = ib_create_cq(device->ib_device,
                                                isert_cq_tx_callback,
                                                isert_cq_event_callback,
                                                (void *)&cq_desc[i],
                                                ISER_MAX_TX_CQ_LEN, i);
-               if (IS_ERR(device->dev_tx_cq[i]))
+               if (IS_ERR(device->dev_tx_cq[i])) {
+                       ret = PTR_ERR(device->dev_tx_cq[i]);
+                       device->dev_tx_cq[i] = NULL;
                        goto out_cq;
+               }
 
-               if (ib_req_notify_cq(device->dev_rx_cq[i], IB_CQ_NEXT_COMP))
+               ret = ib_req_notify_cq(device->dev_rx_cq[i], IB_CQ_NEXT_COMP);
+               if (ret)
                        goto out_cq;
 
-               if (ib_req_notify_cq(device->dev_tx_cq[i], IB_CQ_NEXT_COMP))
+               ret = ib_req_notify_cq(device->dev_tx_cq[i], IB_CQ_NEXT_COMP);
+               if (ret)
                        goto out_cq;
        }