ibmvnic: queue reset when CRQ gets closed during reset

Web:        https://git.kernel.org/torvalds/c/ec95dffa408f0c24c0b358f3723c6ba262190965
Commit:     ec95dffa408f0c24c0b358f3723c6ba262190965
Parent:     583133b35ecaea84590e92e2732d1a472747ca7d
Refname:    refs/heads/master
Author:     Nathan Fontenot <[email protected]>
AuthorDate: Wed Feb 7 13:00:24 2018 -0600
Committer:  David S. Miller <[email protected]>
CommitDate: Thu Feb 8 15:11:15 2018 -0500

    ibmvnic: queue reset when CRQ gets closed during reset
    
    While handling a driver reset we get a H_CLOSED return trying
    to send a CRQ event. When this occurs we need to queue up another
    reset attempt. Without doing this we see instances where the driver
    is left in a closed state because the reset failed and there is no
    further attempts to reset the driver.
    
    Signed-off-by: Nathan Fontenot <[email protected]>
    Signed-off-by: David S. Miller <[email protected]>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 8dabc9d9dfa6..dd4a2946e1da 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -2914,8 +2914,12 @@ static int ibmvnic_send_crq(struct ibmvnic_adapter *adapter,
 				cpu_to_be64(u64_crq[1]));
 
 	if (rc) {
-		if (rc == H_CLOSED)
+		if (rc == H_CLOSED) {
 			dev_warn(dev, "CRQ Queue closed\n");
+			if (adapter->resetting)
+				ibmvnic_reset(adapter, VNIC_RESET_FATAL);
+		}
+
 		dev_warn(dev, "Send error (rc=%d)\n", rc);
 	}
 
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