From: Wang Chen <wangchen@cn.fujitsu.com>
Date: Mon, 24 Nov 2008 23:34:00 +0000 (-0800)
Subject: infiniband: Kill directly reference of netdev->priv
X-Git-Tag: firefly_0821_release~16481^2~518
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4b40eed73e3787d60160beed1352ceadd24f6be1;p=firefly-linux-kernel-4.4.55.git

infiniband: Kill directly reference of netdev->priv

This use of netdev->priv is wrong.
The right way is:
alloc_netdev() with no memory for private data.
make netdev->ml_priv to point to c2_dev.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Acked-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index 69580e282af0..5119d6508181 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -653,7 +653,7 @@ static int c2_service_destroy(struct iw_cm_id *cm_id)
 static int c2_pseudo_up(struct net_device *netdev)
 {
 	struct in_device *ind;
-	struct c2_dev *c2dev = netdev->priv;
+	struct c2_dev *c2dev = netdev->ml_priv;
 
 	ind = in_dev_get(netdev);
 	if (!ind)
@@ -678,7 +678,7 @@ static int c2_pseudo_up(struct net_device *netdev)
 static int c2_pseudo_down(struct net_device *netdev)
 {
 	struct in_device *ind;
-	struct c2_dev *c2dev = netdev->priv;
+	struct c2_dev *c2dev = netdev->ml_priv;
 
 	ind = in_dev_get(netdev);
 	if (!ind)
@@ -746,14 +746,14 @@ static struct net_device *c2_pseudo_netdev_init(struct c2_dev *c2dev)
 	/* change ethxxx to iwxxx */
 	strcpy(name, "iw");
 	strcat(name, &c2dev->netdev->name[3]);
-	netdev = alloc_netdev(sizeof(*netdev), name, setup);
+	netdev = alloc_netdev(0, name, setup);
 	if (!netdev) {
 		printk(KERN_ERR PFX "%s -  etherdev alloc failed",
 			__func__);
 		return NULL;
 	}
 
-	netdev->priv = c2dev;
+	netdev->ml_priv = c2dev;
 
 	SET_NETDEV_DEV(netdev, &c2dev->pcidev->dev);