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-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 0c4e59b906c..76717410660 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -592,7 +592,9 @@ int ipoib_cm_dev_open(struct net_device *dev)
priv->cm.id = ib_create_cm_id(priv->ca, ipoib_cm_rx_handler, dev);
if (IS_ERR(priv->cm.id)) {
printk(KERN_WARNING "%s: failed to create CM ID\n", priv->ca->name);
- return IS_ERR(priv->cm.id);
+ ret = PTR_ERR(priv->cm.id);
+ priv->cm.id = NULL;
+ return ret;
}
ret = ib_cm_listen(priv->cm.id, cpu_to_be64(IPOIB_CM_IETF_ID | priv->qp->qp_num),
@@ -601,6 +603,7 @@ int ipoib_cm_dev_open(struct net_device *dev)
printk(KERN_WARNING "%s: failed to listen on ID 0x%llx\n", priv->ca->name,
IPOIB_CM_IETF_ID | priv->qp->qp_num);
ib_destroy_cm_id(priv->cm.id);
+ priv->cm.id = NULL;
return ret;
}
return 0;
@@ -611,10 +614,11 @@ void ipoib_cm_dev_stop(struct net_device *dev)
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_cm_rx *p;
- if (!IPOIB_CM_SUPPORTED(dev->dev_addr))
+ if (!IPOIB_CM_SUPPORTED(dev->dev_addr) || !priv->cm.id)
return;
ib_destroy_cm_id(priv->cm.id);
+ priv->cm.id = NULL;
spin_lock_irq(&priv->lock);
while (!list_empty(&priv->cm.passive_ids)) {
p = list_entry(priv->cm.passive_ids.next, typeof(*p), list);