From: John Allen <jallen@linux.vnet.ibm.com>
To: netdev@vger.kernel.org
Cc: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>,
Nathan Fontenot <nfont@linux.vnet.ibm.com>
Subject: [PATCH net-next] ibmvnic: Bail from ibmvnic_open if driver is already open
Date: Mon, 12 Mar 2018 13:47:51 -0500 [thread overview]
Message-ID: <f4857e9e-31d9-faa0-43e2-0ec0dfeae7ad@linux.vnet.ibm.com> (raw)
If the driver is already in the "open" state, don't attempt the procedure
for opening the driver.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
---
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 7be4b06..98c4f75 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1057,6 +1057,9 @@ static int ibmvnic_open(struct net_device *netdev)
mutex_lock(&adapter->reset_lock);
+ if (adapter->state == VNIC_OPEN)
+ return 0;
+
if (adapter->state != VNIC_CLOSED) {
rc = ibmvnic_login(netdev);
if (rc) {
next reply other threads:[~2018-03-12 18:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-12 18:47 John Allen [this message]
2018-03-12 19:01 ` [PATCH net-next] ibmvnic: Bail from ibmvnic_open if driver is already open Andrew Lunn
2018-03-12 19:06 ` John Allen
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