| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1298293400-21570-3-git-send-email-mkl@pengutronix.de>
Date: Mon, 21 Feb 2011 14:03:13 +0100
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: netdev@...r.kernel.org
Cc: Ben Dooks <ben@...ff.org>, Daniel Mack <daniel@...aq.de>,
Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH 2/9] ax88796: don't use magic ei_status to acces private data
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
drivers/net/ax88796.c | 81 +++++++++++++++++++++++++-----------------------
1 files changed, 42 insertions(+), 39 deletions(-)
diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c
index 6d1d5ca..c49c3b1 100644
--- a/drivers/net/ax88796.c
+++ b/drivers/net/ax88796.c
@@ -152,8 +152,8 @@ static void ax_reset_8390(struct net_device *dev)
ei_outb(ei_inb(addr + NE_RESET), addr + NE_RESET);
- ei_status.txing = 0;
- ei_status.dmaing = 0;
+ ei_local->txing = 0;
+ ei_local->dmaing = 0;
/* This check _should_not_ be necessary, omit eventually. */
while ((ei_inb(addr + EN0_ISR) & ENISR_RESET) == 0) {
@@ -176,15 +176,15 @@ static void ax_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
void __iomem *nic_base = ei_local->mem;
/* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_status.dmaing) {
+ if (ei_local->dmaing) {
dev_err(&ax->dev->dev, "%s: DMAing conflict in %s "
"[DMAstat:%d][irqlock:%d].\n",
dev->name, __func__,
- ei_status.dmaing, ei_status.irqlock);
+ ei_local->dmaing, ei_local->irqlock);
return;
}
- ei_status.dmaing |= 0x01;
+ ei_local->dmaing |= 0x01;
ei_outb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD);
ei_outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
ei_outb(0, nic_base + EN0_RCNTHI);
@@ -192,7 +192,7 @@ static void ax_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
ei_outb(ring_page, nic_base + EN0_RSARHI);
ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
- if (ei_status.word16)
+ if (ei_local->word16)
readsw(nic_base + NE_DATAPORT, hdr,
sizeof(struct e8390_pkt_hdr) >> 1);
else
@@ -200,7 +200,7 @@ static void ax_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
sizeof(struct e8390_pkt_hdr));
ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
- ei_status.dmaing &= ~0x01;
+ ei_local->dmaing &= ~0x01;
le16_to_cpus(&hdr->count);
}
@@ -221,16 +221,16 @@ static void ax_block_input(struct net_device *dev, int count,
void __iomem *nic_base = ei_local->mem;
char *buf = skb->data;
- if (ei_status.dmaing) {
+ if (ei_local->dmaing) {
dev_err(&ax->dev->dev,
"%s: DMAing conflict in %s "
"[DMAstat:%d][irqlock:%d].\n",
dev->name, __func__,
- ei_status.dmaing, ei_status.irqlock);
+ ei_local->dmaing, ei_local->irqlock);
return;
}
- ei_status.dmaing |= 0x01;
+ ei_local->dmaing |= 0x01;
ei_outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base + NE_CMD);
ei_outb(count & 0xff, nic_base + EN0_RCNTLO);
@@ -239,7 +239,7 @@ static void ax_block_input(struct net_device *dev, int count,
ei_outb(ring_offset >> 8, nic_base + EN0_RSARHI);
ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
- if (ei_status.word16) {
+ if (ei_local->word16) {
readsw(nic_base + NE_DATAPORT, buf, count >> 1);
if (count & 0x01)
buf[count-1] = ei_inb(nic_base + NE_DATAPORT);
@@ -248,7 +248,7 @@ static void ax_block_input(struct net_device *dev, int count,
readsb(nic_base + NE_DATAPORT, buf, count);
}
- ei_status.dmaing &= ~1;
+ ei_local->dmaing &= ~1;
}
static void ax_block_output(struct net_device *dev, int count,
@@ -264,19 +264,19 @@ static void ax_block_output(struct net_device *dev, int count,
* What effect will an odd byte count have on the 8390? I
* should check someday.
*/
- if (ei_status.word16 && (count & 0x01))
+ if (ei_local->word16 && (count & 0x01))
count++;
/* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_status.dmaing) {
+ if (ei_local->dmaing) {
dev_err(&ax->dev->dev, "%s: DMAing conflict in %s."
"[DMAstat:%d][irqlock:%d]\n",
dev->name, __func__,
- ei_status.dmaing, ei_status.irqlock);
+ ei_local->dmaing, ei_local->irqlock);
return;
}
- ei_status.dmaing |= 0x01;
+ ei_local->dmaing |= 0x01;
/* We should already be in page 0, but to be safe... */
ei_outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
@@ -289,7 +289,7 @@ static void ax_block_output(struct net_device *dev, int count,
ei_outb(start_page, nic_base + EN0_RSARHI);
ei_outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
- if (ei_status.word16)
+ if (ei_local->word16)
writesw(nic_base + NE_DATAPORT, buf, count >> 1);
else
writesb(nic_base + NE_DATAPORT, buf, count);
@@ -307,7 +307,7 @@ static void ax_block_output(struct net_device *dev, int count,
}
ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
- ei_status.dmaing &= ~0x01;
+ ei_local->dmaing &= ~0x01;
}
/* definitions for accessing MII/EEPROM interface */
@@ -758,22 +758,22 @@ static int ax_init_dev(struct net_device *dev, int first_init)
ax_reset_8390(dev);
- ei_status.name = "AX88796";
- ei_status.tx_start_page = start_page;
- ei_status.stop_page = stop_page;
- ei_status.word16 = (ax->plat->wordlength == 2);
- ei_status.rx_start_page = start_page + TX_PAGES;
+ ei_local->name = "AX88796";
+ ei_local->tx_start_page = start_page;
+ ei_local->stop_page = stop_page;
+ ei_local->word16 = (ax->plat->wordlength == 2);
+ ei_local->rx_start_page = start_page + TX_PAGES;
#ifdef PACKETBUF_MEMSIZE
/* Allow the packet buffer size to be overridden by know-it-alls. */
- ei_status.stop_page = ei_status.tx_start_page + PACKETBUF_MEMSIZE;
+ ei_local->stop_page = ei_local->tx_start_page + PACKETBUF_MEMSIZE;
#endif
- ei_status.reset_8390 = &ax_reset_8390;
- ei_status.block_input = &ax_block_input;
- ei_status.block_output = &ax_block_output;
- ei_status.get_8390_hdr = &ax_get_8390_hdr;
- ei_status.priv = 0;
+ ei_local->reset_8390 = &ax_reset_8390;
+ ei_local->block_input = &ax_block_input;
+ ei_local->block_output = &ax_block_output;
+ ei_local->get_8390_hdr = &ax_get_8390_hdr;
+ ei_local->priv = 0;
dev->netdev_ops = &ax_netdev_ops;
dev->ethtool_ops = &ax_ethtool_ops;
@@ -792,7 +792,7 @@ static int ax_init_dev(struct net_device *dev, int first_init)
if (first_init)
dev_info(&ax->dev->dev, "%dbit, irq %d, %lx, MAC: %pM\n",
- ei_status.word16 ? 16 : 8, dev->irq, dev->base_addr,
+ ei_local->word16 ? 16 : 8, dev->irq, dev->base_addr,
dev->dev_addr);
ret = register_netdev(dev);
@@ -811,6 +811,7 @@ static int ax_init_dev(struct net_device *dev, int first_init)
static int ax_remove(struct platform_device *_dev)
{
struct net_device *dev = platform_get_drvdata(_dev);
+ struct ei_device *ei_local = netdev_priv(dev);
struct ax_device *ax;
ax = to_ax_dev(dev);
@@ -818,7 +819,7 @@ static int ax_remove(struct platform_device *_dev)
unregister_netdev(dev);
free_irq(dev->irq, dev);
- iounmap(ei_status.mem);
+ iounmap(ei_local->mem);
release_resource(ax->mem);
kfree(ax->mem);
@@ -843,6 +844,7 @@ static int ax_remove(struct platform_device *_dev)
static int ax_probe(struct platform_device *pdev)
{
struct net_device *dev;
+ struct ei_device *ei_local;
struct ax_device *ax;
struct resource *res;
size_t size;
@@ -853,6 +855,7 @@ static int ax_probe(struct platform_device *pdev)
return -ENOMEM;
/* ok, let's setup our device */
+ ei_local = netdev_priv(dev);
ax = to_ax_dev(dev);
memset(ax, 0, sizeof(struct ax_device));
@@ -863,7 +866,7 @@ static int ax_probe(struct platform_device *pdev)
ax->plat = pdev->dev.platform_data;
platform_set_drvdata(pdev, dev);
- ei_status.rxcr_base = ax->plat->rcr_val;
+ ei_local->rxcr_base = ax->plat->rcr_val;
/* find the platform resources */
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
@@ -890,9 +893,9 @@ static int ax_probe(struct platform_device *pdev)
* by using the size of the resource provided
*/
if (ax->plat->reg_offsets)
- ei_status.reg_offset = ax->plat->reg_offsets;
+ ei_local->reg_offset = ax->plat->reg_offsets;
else {
- ei_status.reg_offset = ax->reg_offsets;
+ ei_local->reg_offset = ax->reg_offsets;
for (ret = 0; ret < 0x18; ret++)
ax->reg_offsets[ret] = (size / 0x18) * ret;
}
@@ -904,10 +907,10 @@ static int ax_probe(struct platform_device *pdev)
goto exit_mem;
}
- ei_status.mem = ioremap(res->start, size);
- dev->base_addr = (unsigned long)ei_status.mem;
+ ei_local->mem = ioremap(res->start, size);
+ dev->base_addr = (unsigned long)ei_local->mem;
- if (ei_status.mem == NULL) {
+ if (ei_local->mem == NULL) {
dev_err(&pdev->dev, "Cannot ioremap area (%08llx,%08llx)\n",
(unsigned long long)res->start,
(unsigned long long)res->end);
@@ -943,7 +946,7 @@ static int ax_probe(struct platform_device *pdev)
goto exit_mem2;
}
- ei_status.reg_offset[0x1f] = ax->map2 - ei_status.mem;
+ ei_local->reg_offset[0x1f] = ax->map2 - ei_local->mem;
}
/* got resources, now initialise and register device */
@@ -962,7 +965,7 @@ static int ax_probe(struct platform_device *pdev)
kfree(ax->mem2);
exit_mem1:
- iounmap(ei_status.mem);
+ iounmap(ei_local->mem);
exit_req:
release_resource(ax->mem);
--
1.7.2.3
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists