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

7 files changed, 63 insertions, 36 deletions

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index c754d88e5ec..c685a55fc2f 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 631a6242b01..75bfc3a9d95 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 cb30df106a2..73d31459223 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 c0761197c07..16ddc77313c 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 ecc64d750cc..410ea0a6137 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 213e3656d95..66eea597202 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 8d63f69b27d..5f89e83501f 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;
 }