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Commit 25a54a6b authored by Maciej Sosnowski's avatar Maciej Sosnowski Committed by Roland Dreier
Browse files

RDMA/nes: Don't generate async events for unregistered devices 



nes_port_ibevent() should not be called when the nes RDMA device is not
registered with the RDMA core.  Add missing checks of of_device_registered flag.

Signed-off-by: default avatarMaciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent 831d52bc

drivers/infiniband/hw/nes/nes_hw.c

+20 −12
Original line number Diff line number Diff line
@@ -2610,10 +2610,12 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number) 
					netif_carrier_on(nesvnic->netdev);



					spin_lock(&nesvnic->port_ibevent_lock);

					if (nesvnic->of_device_registered) {

						if (nesdev->iw_status == 0) {

							nesdev->iw_status = 1;

							nes_port_ibevent(nesvnic);

						}

					}

					spin_unlock(&nesvnic->port_ibevent_lock);

				}

			}
@@ -2642,10 +2644,12 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number) 
					netif_carrier_off(nesvnic->netdev);



					spin_lock(&nesvnic->port_ibevent_lock);

					if (nesvnic->of_device_registered) {

						if (nesdev->iw_status == 1) {

							nesdev->iw_status = 0;

							nes_port_ibevent(nesvnic);

						}

					}

					spin_unlock(&nesvnic->port_ibevent_lock);

				}

			}
@@ -2703,10 +2707,12 @@ void nes_recheck_link_status(struct work_struct *work) 
				netif_carrier_on(nesvnic->netdev);



				spin_lock(&nesvnic->port_ibevent_lock);

				if (nesvnic->of_device_registered) {

					if (nesdev->iw_status == 0) {

						nesdev->iw_status = 1;

						nes_port_ibevent(nesvnic);

					}

				}

				spin_unlock(&nesvnic->port_ibevent_lock);

			}

		}
@@ -2723,10 +2729,12 @@ void nes_recheck_link_status(struct work_struct *work) 
				netif_carrier_off(nesvnic->netdev);



				spin_lock(&nesvnic->port_ibevent_lock);

				if (nesvnic->of_device_registered) {

					if (nesdev->iw_status == 1) {

						nesdev->iw_status = 0;

						nes_port_ibevent(nesvnic);

					}

				}

				spin_unlock(&nesvnic->port_ibevent_lock);

			}

		}