[PATCH] s2io bogus memset

[sfrench/cifs-2.6.git] / drivers / net / s2io.c

diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index f5dbeb27b6f082553974d8b057f2916266ed92e9..1dd66b8ea0fae545e12b70da9e45a7b01c16d79b 100644 (file)
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -556,10 +556,9 @@ static int init_shared_mem(struct s2io_nic *nic)
                }
        }
 
-       nic->ufo_in_band_v = kmalloc((sizeof(u64) * size), GFP_KERNEL);
+       nic->ufo_in_band_v = kcalloc(size, sizeof(u64), GFP_KERNEL);
        if (!nic->ufo_in_band_v)
                return -ENOMEM;
-       memset(nic->ufo_in_band_v, 0, size);
 
        /* Allocation and initialization of RXDs in Rings */
        size = 0;
@@ -2904,7 +2903,7 @@ static void s2io_mdio_write(u32 mmd_type, u64 addr, u16 value, struct net_device
 {
        u64 val64 = 0x0;
        nic_t *sp = dev->priv;
-       XENA_dev_config_t *bar0 = (XENA_dev_config_t *)sp->bar0;
+       XENA_dev_config_t __iomem *bar0 = sp->bar0;
 
        //address transaction
        val64 = val64 | MDIO_MMD_INDX_ADDR(addr)
@@ -2953,7 +2952,7 @@ static u64 s2io_mdio_read(u32 mmd_type, u64 addr, struct net_device *dev)
        u64 val64 = 0x0;
        u64 rval64 = 0x0;
        nic_t *sp = dev->priv;
-       XENA_dev_config_t *bar0 = (XENA_dev_config_t *)sp->bar0;
+       XENA_dev_config_t __iomem *bar0 = sp->bar0;
 
        /* address transaction */
        val64 = val64 | MDIO_MMD_INDX_ADDR(addr)
@@ -3276,7 +3275,7 @@ static void alarm_intr_handler(struct s2io_nic *nic)
  *   SUCCESS on success and FAILURE on failure.
  */
 
-static int wait_for_cmd_complete(void *addr, u64 busy_bit)
+static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit)
 {
        int ret = FAILURE, cnt = 0;
        u64 val64;
@@ -4029,8 +4028,7 @@ static int s2io_chk_rx_buffers(nic_t *sp, int rng_n)
        return 0;
 }
 
-static irqreturn_t
-s2io_msi_handle(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t s2io_msi_handle(int irq, void *dev_id)
 {
        struct net_device *dev = (struct net_device *) dev_id;
        nic_t *sp = dev->priv;
@@ -4063,8 +4061,7 @@ s2io_msi_handle(int irq, void *dev_id, struct pt_regs *regs)
        return IRQ_HANDLED;
 }
 
-static irqreturn_t
-s2io_msix_ring_handle(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t s2io_msix_ring_handle(int irq, void *dev_id)
 {
        ring_info_t *ring = (ring_info_t *)dev_id;
        nic_t *sp = ring->nic;
@@ -4078,8 +4075,7 @@ s2io_msix_ring_handle(int irq, void *dev_id, struct pt_regs *regs)
        return IRQ_HANDLED;
 }
 
-static irqreturn_t
-s2io_msix_fifo_handle(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t s2io_msix_fifo_handle(int irq, void *dev_id)
 {
        fifo_info_t *fifo = (fifo_info_t *)dev_id;
        nic_t *sp = fifo->nic;
@@ -4155,7 +4151,6 @@ static void s2io_txpic_intr_handle(nic_t *sp)
  *  s2io_isr - ISR handler of the device .
  *  @irq: the irq of the device.
  *  @dev_id: a void pointer to the dev structure of the NIC.
- *  @pt_regs: pointer to the registers pushed on the stack.
  *  Description:  This function is the ISR handler of the device. It
  *  identifies the reason for the interrupt and calls the relevant
  *  service routines. As a contongency measure, this ISR allocates the
@@ -4165,7 +4160,7 @@ static void s2io_txpic_intr_handle(nic_t *sp)
  *   IRQ_HANDLED: will be returned if IRQ was handled by this routine
  *   IRQ_NONE: will be returned if interrupt is not from our device
  */
-static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t s2io_isr(int irq, void *dev_id)
 {
        struct net_device *dev = (struct net_device *) dev_id;
        nic_t *sp = dev->priv;
@@ -4303,11 +4298,11 @@ static struct net_device_stats *s2io_get_stats(struct net_device *dev)
        sp->stats.tx_errors =
                le32_to_cpu(mac_control->stats_info->tmac_any_err_frms);
        sp->stats.rx_errors =
-               le32_to_cpu(mac_control->stats_info->rmac_drop_frms);
+               le64_to_cpu(mac_control->stats_info->rmac_drop_frms);
        sp->stats.multicast =
                le32_to_cpu(mac_control->stats_info->rmac_vld_mcst_frms);
        sp->stats.rx_length_errors =
-               le32_to_cpu(mac_control->stats_info->rmac_long_frms);
+               le64_to_cpu(mac_control->stats_info->rmac_long_frms);
 
        return (&sp->stats);
 }
@@ -5876,9 +5871,9 @@ static void s2io_tasklet(unsigned long dev_addr)
  * Description: Sets the link status for the adapter
  */
 
-static void s2io_set_link(unsigned long data)
+static void s2io_set_link(struct work_struct *work)
 {
-       nic_t *nic = (nic_t *) data;
+       nic_t *nic = container_of(work, nic_t, set_link_task);
        struct net_device *dev = nic->dev;
        XENA_dev_config_t __iomem *bar0 = nic->bar0;
        register u64 val64;
@@ -5989,6 +5984,11 @@ static int set_rxd_buffer_pointer(nic_t *sp, RxD_t *rxdp, buffAdd_t *ba,
                        ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1;
                } else {
                        *skb = dev_alloc_skb(size);
+                       if (!(*skb)) {
+                               DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n",
+                                         dev->name);
+                               return -ENOMEM;
+                       }
                        ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2 =
                                pci_map_single(sp->pdev, (*skb)->data,
                                               dev->mtu + 4,
@@ -6011,7 +6011,11 @@ static int set_rxd_buffer_pointer(nic_t *sp, RxD_t *rxdp, buffAdd_t *ba,
                        ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2;
                } else {
                        *skb = dev_alloc_skb(size);
-
+                       if (!(*skb)) {
+                               DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n",
+                                         dev->name);
+                               return -ENOMEM;
+                       }
                        ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0 =
                                pci_map_single(sp->pdev, ba->ba_0, BUF0_LEN,
                                               PCI_DMA_FROMDEVICE);
@@ -6374,10 +6378,10 @@ static int s2io_card_up(nic_t * sp)
  * spin lock.
  */
 
-static void s2io_restart_nic(unsigned long data)
+static void s2io_restart_nic(struct work_struct *work)
 {
-       struct net_device *dev = (struct net_device *) data;
-       nic_t *sp = dev->priv;
+       nic_t *sp = container_of(work, nic_t, rst_timer_task);
+       struct net_device *dev = sp->dev;
 
        s2io_card_down(sp);
        if (s2io_card_up(sp)) {
@@ -6987,10 +6991,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
 
        dev->tx_timeout = &s2io_tx_watchdog;
        dev->watchdog_timeo = WATCH_DOG_TIMEOUT;
-       INIT_WORK(&sp->rst_timer_task,
-                 (void (*)(void *)) s2io_restart_nic, dev);
-       INIT_WORK(&sp->set_link_task,
-                 (void (*)(void *)) s2io_set_link, sp);
+       INIT_WORK(&sp->rst_timer_task, s2io_restart_nic);
+       INIT_WORK(&sp->set_link_task, s2io_set_link);
 
        pci_save_state(sp->pdev);