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From: Wang Chen <wangchen@cn.fujitsu.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Garzik <jgarzik@pobox.com>, NETDEV <netdev@vger.kernel.org>
Subject: [PATCH 08/18] netdevice lance: Convert directly reference of netdev->priv to netdev->ml_priv
Date: Fri, 05 Sep 2008 11:19:06 +0800	[thread overview]
Message-ID: <48C0A52A.9090204@cn.fujitsu.com> (raw)
In-Reply-To: <48C0A219.2030004@cn.fujitsu.com>

We have some reasons to kill netdev->priv:
1. netdev->priv is equal to netdev_priv().
2. netdev_priv() wraps the calculation of netdev->priv's offset, obviously
   netdev_priv() is more flexible than netdev->priv.
But we cann't kill netdev->priv, because so many drivers reference to it
directly.

OK, becasue Dave S. Miller said, "every direct netdev->priv usage is a bug",
and I want to kill netdev->priv later, I decided to convert all the direct
reference of netdev->priv first.

Different to readonly reference of netdev->priv, in this driver, netdev->priv
was changed. I use netdev->ml_priv to replace netdev->priv.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
---
 drivers/net/lance.c |   26 +++++++++++++-------------
 1 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/net/lance.c b/drivers/net/lance.c
index 977ed34..a57d8ac 100644
--- a/drivers/net/lance.c
+++ b/drivers/net/lance.c
@@ -359,7 +359,7 @@ int __init init_module(void)
 
 static void cleanup_card(struct net_device *dev)
 {
-	struct lance_private *lp = dev->priv;
+	struct lance_private *lp = dev->ml_priv;
 	if (dev->dma != 4)
 		free_dma(dev->dma);
 	release_region(dev->base_addr, LANCE_TOTAL_SIZE);
@@ -418,7 +418,7 @@ static int __init do_lance_probe(struct net_device *dev)
 			if (card < NUM_CARDS) { /*Signature OK*/
 				result = lance_probe1(dev, ioaddr, 0, 0);
 				if (!result) {
-					struct lance_private *lp = dev->priv;
+					struct lance_private *lp = dev->ml_priv;
 					int ver = lp->chip_version;
 
 					r->name = chip_table[ver].name;
@@ -538,7 +538,7 @@ static int __init lance_probe1(struct net_device *dev, int ioaddr, int irq, int
 	if(lp==NULL)
 		return -ENODEV;
 	if (lance_debug > 6) printk(" (#0x%05lx)", (unsigned long)lp);
-	dev->priv = lp;
+	dev->ml_priv = lp;
 	lp->name = chipname;
 	lp->rx_buffs = (unsigned long)kmalloc(PKT_BUF_SZ*RX_RING_SIZE,
 						  GFP_DMA | GFP_KERNEL);
@@ -742,7 +742,7 @@ out_lp:
 static int
 lance_open(struct net_device *dev)
 {
-	struct lance_private *lp = dev->priv;
+	struct lance_private *lp = dev->ml_priv;
 	int ioaddr = dev->base_addr;
 	int i;
 
@@ -830,7 +830,7 @@ lance_open(struct net_device *dev)
 static void
 lance_purge_ring(struct net_device *dev)
 {
-	struct lance_private *lp = dev->priv;
+	struct lance_private *lp = dev->ml_priv;
 	int i;
 
 	/* Free all the skbuffs in the Rx and Tx queues. */
@@ -854,7 +854,7 @@ lance_purge_ring(struct net_device *dev)
 static void
 lance_init_ring(struct net_device *dev, gfp_t gfp)
 {
-	struct lance_private *lp = dev->priv;
+	struct lance_private *lp = dev->ml_priv;
 	int i;
 
 	lp->cur_rx = lp->cur_tx = 0;
@@ -896,7 +896,7 @@ lance_init_ring(struct net_device *dev, gfp_t gfp)
 static void
 lance_restart(struct net_device *dev, unsigned int csr0_bits, int must_reinit)
 {
-	struct lance_private *lp = dev->priv;
+	struct lance_private *lp = dev->ml_priv;
 
 	if (must_reinit ||
 		(chip_table[lp->chip_version].flags & LANCE_MUST_REINIT_RING)) {
@@ -910,7 +910,7 @@ lance_restart(struct net_device *dev, unsigned int csr0_bits, int must_reinit)
 
 static void lance_tx_timeout (struct net_device *dev)
 {
-	struct lance_private *lp = (struct lance_private *) dev->priv;
+	struct lance_private *lp = (struct lance_private *) dev->ml_priv;
 	int ioaddr = dev->base_addr;
 
 	outw (0, ioaddr + LANCE_ADDR);
@@ -944,7 +944,7 @@ static void lance_tx_timeout (struct net_device *dev)
 
 static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
-	struct lance_private *lp = dev->priv;
+	struct lance_private *lp = dev->ml_priv;
 	int ioaddr = dev->base_addr;
 	int entry;
 	unsigned long flags;
@@ -1021,7 +1021,7 @@ static irqreturn_t lance_interrupt(int irq, void *dev_id)
 	int must_restart;
 
 	ioaddr = dev->base_addr;
-	lp = dev->priv;
+	lp = dev->ml_priv;
 
 	spin_lock (&lp->devlock);
 
@@ -1134,7 +1134,7 @@ static irqreturn_t lance_interrupt(int irq, void *dev_id)
 static int
 lance_rx(struct net_device *dev)
 {
-	struct lance_private *lp = dev->priv;
+	struct lance_private *lp = dev->ml_priv;
 	int entry = lp->cur_rx & RX_RING_MOD_MASK;
 	int i;
 
@@ -1213,7 +1213,7 @@ static int
 lance_close(struct net_device *dev)
 {
 	int ioaddr = dev->base_addr;
-	struct lance_private *lp = dev->priv;
+	struct lance_private *lp = dev->ml_priv;
 
 	netif_stop_queue (dev);
 
@@ -1246,7 +1246,7 @@ lance_close(struct net_device *dev)
 
 static struct net_device_stats *lance_get_stats(struct net_device *dev)
 {
-	struct lance_private *lp = dev->priv;
+	struct lance_private *lp = dev->ml_priv;
 
 	if (chip_table[lp->chip_version].flags & LANCE_HAS_MISSED_FRAME) {
 		short ioaddr = dev->base_addr;
-- 
1.5.3.4



  parent reply	other threads:[~2008-09-05  3:21 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-05  3:06 [V#2 PATCH 0/18] netdevice: Fix directly reference of netdev->priv Wang Chen
2008-09-05  3:09 ` [PATCH 01/18] netdevice: safe convert to netdev_priv() #part-1 Wang Chen
2008-09-05  3:10 ` [PATCH 02/18] netdevice: safe convert to netdev_priv() #part-2 Wang Chen
2008-09-05  3:11 ` [PATCH 03/18] netdevice: safe convert to netdev_priv() #part-3 Wang Chen
2008-09-05 13:58   ` David Dillow
2008-09-05  3:11 ` [PATCH 04/18] netdevice: safe convert to netdev_priv() #part-4 Wang Chen
2008-09-05  3:14 ` [PATCH 05/18] netdevice 82596: Convert directly reference of netdev->priv to netdev->ml_priv Wang Chen
2008-09-05  3:15 ` [PATCH 06/18] netdevice chelsio: " Wang Chen
2008-09-05  3:17 ` [PATCH 07/18] netdevice hamradio: " Wang Chen
2008-09-05  3:19 ` Wang Chen [this message]
2008-09-05  3:20 ` [PATCH 09/18] netdevice ni65: " Wang Chen
2008-09-05  3:21 ` [PATCH 10/18] netdevice ppp: " Wang Chen
2008-09-05  3:23 ` [PATCH 11/18] netdevice cycx_x25: " Wang Chen
2008-09-05  3:24 ` [PATCH 12/18] netdevice hdlc: " Wang Chen
2008-09-05 16:38   ` Krzysztof Halasa
2008-09-05  3:25 ` [PATCH 13/18] netdevice wanrouter: " Wang Chen
2008-09-05  3:27 ` [PATCH 14/18] netdevice airo: " Wang Chen
2008-09-05 12:50   ` John W. Linville
     [not found]     ` <20080905125036.GA3027-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
2008-09-05 17:06       ` Dan Williams
     [not found]         ` <1220634383.6430.14.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-09-06  9:37           ` Wang Chen
     [not found]             ` <48C24F66.1090803-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2008-09-26  8:37               ` Wang Chen
     [not found] ` <48C0A219.2030004-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2008-09-05  3:28   ` [PATCH 15/18] netdevice libertas: Fix directly reference of netdev->priv Wang Chen
     [not found]     ` <48C0A76F.8090706-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2008-09-05 17:07       ` Dan Williams
     [not found]         ` <1220634465.6430.16.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-10-31 19:17           ` John W. Linville
2008-09-05  3:29   ` [PATCH 16/18] netdevice zd1201: Convert directly reference of netdev->priv to netdev->ml_priv Wang Chen
2008-09-05 12:56     ` John W. Linville
     [not found]     ` <48C0A7A0.9030200-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2008-10-31 18:22       ` John W. Linville
     [not found]         ` <20081031182207.GD4310-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
2008-10-31 18:48           ` [PATCH] netdevice zd1201: Convert directly reference of netdev->priv to netdev_priv() John W. Linville
     [not found]             ` <1225478896-28987-1-git-send-email-linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
2008-10-31 19:00               ` Stephen Hemminger
2008-11-03  2:06               ` Wang Chen
2008-12-18  6:53             ` [PATCH -next] netdevice zd1201: Use after free Wang Chen
2008-12-18 13:58               ` John W. Linville
     [not found]               ` <4949F36B.7080707-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2008-12-19  3:37                 ` David Miller
2008-09-05  3:30 ` [PATCH 17/18] netdevice pc300: Convert directly reference of netdev->priv to netdev->ml_priv Wang Chen
2008-09-09 13:23   ` Krzysztof Halasa
2008-09-05  3:31 ` [PATCH 18/18] netdevice sbni: Convert directly reference of netdev->priv to netdev_priv() Wang Chen
2008-09-05  3:42 ` [V#2 PATCH 0/18] netdevice: Fix directly reference of netdev->priv Wang Chen
2008-09-20  8:17 ` Wang Chen
2008-09-20 10:37   ` David Miller
2008-09-22  7:04     ` Wang Chen

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