diff mbox series

[net,2/4] ibmvnic: Terminate waiting device threads after loss of service

Message ID 1574451706-19058-3-git-send-email-tlfalcon@linux.ibm.com
State Changes Requested
Delegated to: David Miller
Headers show
Series ibmvnic: Harden device commands and queries | expand

Commit Message

Thomas Falcon Nov. 22, 2019, 7:41 p.m. UTC 
If we receive a notification that the device has been deactivated
or removed, force a completion of all waiting threads.

Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 48225297a5e2..78a3ef70f1ef 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -4500,6 +4500,15 @@  static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
 	case IBMVNIC_CRQ_XPORT_EVENT:
 		netif_carrier_off(netdev);
 		adapter->crq.active = false;
+		/* terminate any thread waiting for a response
+		 * from the device
+		 */
+		if (!completion_done(&adapter->fw_done)) {
+			adapter->fw_done_rc = -EIO;
+			complete(&adapter->fw_done);
+		}
+		if (!completion_done(&adapter->stats_done))
+			complete(&adapter->stats_done);
 		if (test_bit(0, &adapter->resetting))
 			adapter->force_reset_recovery = true;
 		if (gen_crq->cmd == IBMVNIC_PARTITION_MIGRATED) {