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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-28 15:42:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-28 15:42:44 -0700
commit29cfcddc0e745b515ec360ffe2ee4e7a4015efd8 (patch)
tree1682b6caaf84d4863e65b2e4e387afa6a972146f /drivers/net
parent303fd2c2ce5addef1aacac962a5b099cc0af71ea (diff)
parentc34186ed008229e7f7e3f1de8e6acf6374995358 (diff)
downloadop-kernel-dev-29cfcddc0e745b515ec360ffe2ee4e7a4015efd8.zip
op-kernel-dev-29cfcddc0e745b515ec360ffe2ee4e7a4015efd8.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net/ipv4: Eliminate kstrdup memory leak net/caif/cfrfml.c: use asm/unaligned.h ax25: missplaced sock_put(sk) qlge: reset the chip before freeing the buffers l2tp: test for ethernet header in l2tp_eth_dev_recv() tcp: select(writefds) don't hang up when a peer close connection tcp: fix three tcp sysctls tuning tcp: Combat per-cpu skew in orphan tests. pxa168_eth: silence gcc warnings pxa168_eth: update call to phy_mii_ioctl() pxa168_eth: fix error handling in prope pxa168_eth: remove unneeded null check phylib: Fix race between returning phydev and calling adjust_link caif-driver: add HAS_DMA dependency 3c59x: Fix deadlock between boomerang_interrupt and boomerang_start_tx qlcnic: fix poll implementation netxen: fix poll implementation bridge: netfilter: fix a memory leak
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/3c59x.c15
-rw-r--r--drivers/net/caif/Kconfig2
-rw-r--r--drivers/net/netxen/netxen_nic_main.c9
-rw-r--r--drivers/net/phy/phy_device.c2
-rw-r--r--drivers/net/pxa168_eth.c58
-rw-r--r--drivers/net/qlcnic/qlcnic_main.c9
-rw-r--r--drivers/net/qlge/qlge_main.c4
7 files changed, 63 insertions, 36 deletions
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index c754d88..c685a55 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -633,7 +633,8 @@ struct vortex_private {
open:1,
medialock:1,
must_free_region:1, /* Flag: if zero, Cardbus owns the I/O region */
- large_frames:1; /* accept large frames */
+ large_frames:1, /* accept large frames */
+ handling_irq:1; /* private in_irq indicator */
int drv_flags;
u16 status_enable;
u16 intr_enable;
@@ -2133,6 +2134,15 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev)
dev->name, vp->cur_tx);
}
+ /*
+ * We can't allow a recursion from our interrupt handler back into the
+ * tx routine, as they take the same spin lock, and that causes
+ * deadlock. Just return NETDEV_TX_BUSY and let the stack try again in
+ * a bit
+ */
+ if (vp->handling_irq)
+ return NETDEV_TX_BUSY;
+
if (vp->cur_tx - vp->dirty_tx >= TX_RING_SIZE) {
if (vortex_debug > 0)
pr_warning("%s: BUG! Tx Ring full, refusing to send buffer.\n",
@@ -2335,11 +2345,13 @@ boomerang_interrupt(int irq, void *dev_id)
ioaddr = vp->ioaddr;
+
/*
* It seems dopey to put the spinlock this early, but we could race against vortex_tx_timeout
* and boomerang_start_xmit
*/
spin_lock(&vp->lock);
+ vp->handling_irq = 1;
status = ioread16(ioaddr + EL3_STATUS);
@@ -2447,6 +2459,7 @@ boomerang_interrupt(int irq, void *dev_id)
pr_debug("%s: exiting interrupt, status %4.4x.\n",
dev->name, status);
handler_exit:
+ vp->handling_irq = 0;
spin_unlock(&vp->lock);
return IRQ_HANDLED;
}
diff --git a/drivers/net/caif/Kconfig b/drivers/net/caif/Kconfig
index 631a624..75bfc3a 100644
--- a/drivers/net/caif/Kconfig
+++ b/drivers/net/caif/Kconfig
@@ -15,7 +15,7 @@ config CAIF_TTY
config CAIF_SPI_SLAVE
tristate "CAIF SPI transport driver for slave interface"
- depends on CAIF
+ depends on CAIF && HAS_DMA
default n
---help---
The CAIF Link layer SPI Protocol driver for Slave SPI interface.
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index cb30df1..73d3145 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -2131,9 +2131,16 @@ static int netxen_nic_poll(struct napi_struct *napi, int budget)
#ifdef CONFIG_NET_POLL_CONTROLLER
static void netxen_nic_poll_controller(struct net_device *netdev)
{
+ int ring;
+ struct nx_host_sds_ring *sds_ring;
struct netxen_adapter *adapter = netdev_priv(netdev);
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
disable_irq(adapter->irq);
- netxen_intr(adapter->irq, adapter);
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ netxen_intr(adapter->irq, sds_ring);
+ }
enable_irq(adapter->irq);
}
#endif
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index c076119..16ddc77 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -466,6 +466,8 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
phydev->interface = interface;
+ phydev->state = PHY_READY;
+
/* Do initial configuration here, now that
* we have certain key parameters
* (dev_flags and interface) */
diff --git a/drivers/net/pxa168_eth.c b/drivers/net/pxa168_eth.c
index ecc64d7..410ea0a 100644
--- a/drivers/net/pxa168_eth.c
+++ b/drivers/net/pxa168_eth.c
@@ -654,15 +654,15 @@ static void eth_port_start(struct net_device *dev)
/* Assignment of Tx CTRP of given queue */
tx_curr_desc = pep->tx_curr_desc_q;
wrl(pep, ETH_C_TX_DESC_1,
- (u32) ((struct tx_desc *)pep->tx_desc_dma + tx_curr_desc));
+ (u32) (pep->tx_desc_dma + tx_curr_desc * sizeof(struct tx_desc)));
/* Assignment of Rx CRDP of given queue */
rx_curr_desc = pep->rx_curr_desc_q;
wrl(pep, ETH_C_RX_DESC_0,
- (u32) ((struct rx_desc *)pep->rx_desc_dma + rx_curr_desc));
+ (u32) (pep->rx_desc_dma + rx_curr_desc * sizeof(struct rx_desc)));
wrl(pep, ETH_F_RX_DESC_0,
- (u32) ((struct rx_desc *)pep->rx_desc_dma + rx_curr_desc));
+ (u32) (pep->rx_desc_dma + rx_curr_desc * sizeof(struct rx_desc)));
/* Clear all interrupts */
wrl(pep, INT_CAUSE, 0);
@@ -1350,7 +1350,7 @@ static int pxa168_eth_do_ioctl(struct net_device *dev, struct ifreq *ifr,
{
struct pxa168_eth_private *pep = netdev_priv(dev);
if (pep->phy != NULL)
- return phy_mii_ioctl(pep->phy, if_mii(ifr), cmd);
+ return phy_mii_ioctl(pep->phy, ifr, cmd);
return -EOPNOTSUPP;
}
@@ -1414,10 +1414,8 @@ static int ethernet_phy_setup(struct net_device *dev)
{
struct pxa168_eth_private *pep = netdev_priv(dev);
- if (pep->pd != NULL) {
- if (pep->pd->init)
- pep->pd->init();
- }
+ if (pep->pd->init)
+ pep->pd->init();
pep->phy = phy_scan(pep, pep->pd->phy_addr & 0x1f);
if (pep->phy != NULL)
phy_init(pep, pep->pd->speed, pep->pd->duplex);
@@ -1499,7 +1497,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
dev = alloc_etherdev(sizeof(struct pxa168_eth_private));
if (!dev) {
err = -ENOMEM;
- goto out;
+ goto err_clk;
}
platform_set_drvdata(pdev, dev);
@@ -1509,12 +1507,12 @@ static int pxa168_eth_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
err = -ENODEV;
- goto out;
+ goto err_netdev;
}
pep->base = ioremap(res->start, res->end - res->start + 1);
if (pep->base == NULL) {
err = -ENOMEM;
- goto out;
+ goto err_netdev;
}
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
BUG_ON(!res);
@@ -1551,7 +1549,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
pep->smi_bus = mdiobus_alloc();
if (pep->smi_bus == NULL) {
err = -ENOMEM;
- goto out;
+ goto err_base;
}
pep->smi_bus->priv = pep;
pep->smi_bus->name = "pxa168_eth smi";
@@ -1560,31 +1558,31 @@ static int pxa168_eth_probe(struct platform_device *pdev)
snprintf(pep->smi_bus->id, MII_BUS_ID_SIZE, "%d", pdev->id);
pep->smi_bus->parent = &pdev->dev;
pep->smi_bus->phy_mask = 0xffffffff;
- if (mdiobus_register(pep->smi_bus) < 0) {
- err = -ENOMEM;
- goto out;
- }
+ err = mdiobus_register(pep->smi_bus);
+ if (err)
+ goto err_free_mdio;
+
pxa168_init_hw(pep);
err = ethernet_phy_setup(dev);
if (err)
- goto out;
+ goto err_mdiobus;
SET_NETDEV_DEV(dev, &pdev->dev);
err = register_netdev(dev);
if (err)
- goto out;
+ goto err_mdiobus;
return 0;
-out:
- if (pep->clk) {
- clk_disable(pep->clk);
- clk_put(pep->clk);
- pep->clk = NULL;
- }
- if (pep->base) {
- iounmap(pep->base);
- pep->base = NULL;
- }
- if (dev)
- free_netdev(dev);
+
+err_mdiobus:
+ mdiobus_unregister(pep->smi_bus);
+err_free_mdio:
+ mdiobus_free(pep->smi_bus);
+err_base:
+ iounmap(pep->base);
+err_netdev:
+ free_netdev(dev);
+err_clk:
+ clk_disable(clk);
+ clk_put(clk);
return err;
}
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 213e365..66eea59 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -2188,9 +2188,16 @@ static int qlcnic_rx_poll(struct napi_struct *napi, int budget)
#ifdef CONFIG_NET_POLL_CONTROLLER
static void qlcnic_poll_controller(struct net_device *netdev)
{
+ int ring;
+ struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_adapter *adapter = netdev_priv(netdev);
+ struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
+
disable_irq(adapter->irq);
- qlcnic_intr(adapter->irq, adapter);
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ qlcnic_intr(adapter->irq, sds_ring);
+ }
enable_irq(adapter->irq);
}
#endif
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 8d63f69..5f89e83 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3919,12 +3919,12 @@ static int ql_adapter_down(struct ql_adapter *qdev)
for (i = 0; i < qdev->rss_ring_count; i++)
netif_napi_del(&qdev->rx_ring[i].napi);
- ql_free_rx_buffers(qdev);
-
status = ql_adapter_reset(qdev);
if (status)
netif_err(qdev, ifdown, qdev->ndev, "reset(func #%d) FAILED!\n",
qdev->func);
+ ql_free_rx_buffers(qdev);
+
return status;
}
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