From: Dany Madden <drt@linux.ibm.com>
Date: Thu, 18 Jun 2020 19:24:13 +0000 (-0400)
Subject: ibmvnic: continue to init in CRQ reset returns H_CLOSED
X-Git-Tag: Ubuntu-5.10.0-12.13~2520^2~44
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=8b40eb73509f5704a0e8cd25de0163876299f1a7;p=mirror_ubuntu-hirsute-kernel.git

ibmvnic: continue to init in CRQ reset returns H_CLOSED

Continue the reset path when partner adapter is not ready or H_CLOSED is
returned from reset crq. This patch allows the CRQ init to proceed to
establish a valid CRQ for traffic to flow after reset.

Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 2baf7b3ff4cb..0fd7eae25fe9 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1971,13 +1971,18 @@ static int do_reset(struct ibmvnic_adapter *adapter,
 			release_sub_crqs(adapter, 1);
 		} else {
 			rc = ibmvnic_reset_crq(adapter);
-			if (!rc)
+			if (rc == H_CLOSED || rc == H_SUCCESS) {
 				rc = vio_enable_interrupts(adapter->vdev);
+				if (rc)
+					netdev_err(adapter->netdev,
+						   "Reset failed to enable interrupts. rc=%d\n",
+						   rc);
+			}
 		}
 
 		if (rc) {
 			netdev_err(adapter->netdev,
-				   "Couldn't initialize crq. rc=%d\n", rc);
+				   "Reset couldn't initialize crq. rc=%d\n", rc);
 			goto out;
 		}