Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ddfce6bb43c6bf1c9956e7a65ce1b2e19a156bd2
Commit:     ddfce6bb43c6bf1c9956e7a65ce1b2e19a156bd2
Parent:     43b7c451a03fe5f615710e26e8e2a3dd70eaa5b1
Author:     Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Fri Oct 5 17:19:47 2007 -0700
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 16:55:27 2007 -0700

    network drivers: sparse warning fixes
    
    Fix some of the easy warnings in network device drivers.
    
    Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
    Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
 drivers/net/acenic.c         |   37 +++++++++++++++++++------------------
 drivers/net/atl1/atl1_main.c |    5 +++--
 drivers/net/dl2k.c           |    8 ++++----
 drivers/net/e100.c           |    2 +-
 drivers/net/hamachi.c        |    3 +--
 drivers/net/natsemi.c        |    6 +++---
 drivers/net/tehuti.c         |    4 +---
 7 files changed, 32 insertions(+), 33 deletions(-)

diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c
index 2c2ed6d..6c19265 100644
--- a/drivers/net/acenic.c
+++ b/drivers/net/acenic.c
@@ -406,7 +406,7 @@ MODULE_DEVICE_TABLE(pci, acenic_pci_tbl);
 #define DEF_STAT               (2 * TICKS_PER_SEC)
 
 
-static int link[ACE_MAX_MOD_PARMS];
+static int link_state[ACE_MAX_MOD_PARMS];
 static int trace[ACE_MAX_MOD_PARMS];
 static int tx_coal_tick[ACE_MAX_MOD_PARMS];
 static int rx_coal_tick[ACE_MAX_MOD_PARMS];
@@ -419,7 +419,7 @@ MODULE_AUTHOR("Jes Sorensen <[EMAIL PROTECTED]>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("AceNIC/3C985/GA620 Gigabit Ethernet driver");
 
-module_param_array(link, int, NULL, 0);
+module_param_array_named(link, link_state, int, NULL, 0);
 module_param_array(trace, int, NULL, 0);
 module_param_array(tx_coal_tick, int, NULL, 0);
 module_param_array(max_tx_desc, int, NULL, 0);
@@ -987,27 +987,27 @@ static int __devinit ace_init(struct net_device *dev)
 
        mac1 = 0;
        for(i = 0; i < 4; i++) {
-               int tmp;
+               int t;
 
                mac1 = mac1 << 8;
-               tmp = read_eeprom_byte(dev, 0x8c+i);
-               if (tmp < 0) {
+               t = read_eeprom_byte(dev, 0x8c+i);
+               if (t < 0) {
                        ecode = -EIO;
                        goto init_error;
                } else
-                       mac1 |= (tmp & 0xff);
+                       mac1 |= (t & 0xff);
        }
        mac2 = 0;
        for(i = 4; i < 8; i++) {
-               int tmp;
+               int t;
 
                mac2 = mac2 << 8;
-               tmp = read_eeprom_byte(dev, 0x8c+i);
-               if (tmp < 0) {
+               t = read_eeprom_byte(dev, 0x8c+i);
+               if (t < 0) {
                        ecode = -EIO;
                        goto init_error;
                } else
-                       mac2 |= (tmp & 0xff);
+                       mac2 |= (t & 0xff);
        }
 
        writel(mac1, &regs->MacAddrHi);
@@ -1305,10 +1305,10 @@ static int __devinit ace_init(struct net_device *dev)
        writel(TX_RING_BASE, &regs->WinBase);
 
        if (ACE_IS_TIGON_I(ap)) {
-               ap->tx_ring = (struct tx_desc *) regs->Window;
+               ap->tx_ring = (__force struct tx_desc *) regs->Window;
                for (i = 0; i < (TIGON_I_TX_RING_ENTRIES
                                 * sizeof(struct tx_desc)) / sizeof(u32); i++)
-                       writel(0, (void __iomem *)ap->tx_ring  + i * 4);
+                       writel(0, (__force void __iomem *)ap->tx_ring  + i * 4);
 
                set_aceaddr(&info->tx_ctrl.rngptr, TX_RING_BASE);
        } else {
@@ -1394,8 +1394,8 @@ static int __devinit ace_init(struct net_device *dev)
        /*
         * Override link default parameters
         */
-       if ((board_idx >= 0) && link[board_idx]) {
-               int option = link[board_idx];
+       if ((board_idx >= 0) && link_state[board_idx]) {
+               int option = link_state[board_idx];
 
                tmp = LNK_ENABLE;
 
@@ -2383,8 +2383,9 @@ static int ace_close(struct net_device *dev)
 
                if (mapping) {
                        if (ACE_IS_TIGON_I(ap)) {
-                               struct tx_desc __iomem *tx
-                                       = (struct tx_desc __iomem *) 
&ap->tx_ring[i];
+                               /* NB: TIGON_1 is special, tx_ring is in io 
space */
+                               struct tx_desc __iomem *tx;
+                               tx = (__force struct tx_desc __iomem *) 
&ap->tx_ring[i];
                                writel(0, &tx->addr.addrhi);
                                writel(0, &tx->addr.addrlo);
                                writel(0, &tx->flagsize);
@@ -2444,7 +2445,7 @@ ace_load_tx_bd(struct ace_private *ap, struct tx_desc 
*desc, u64 addr,
 #endif
 
        if (ACE_IS_TIGON_I(ap)) {
-               struct tx_desc __iomem *io = (struct tx_desc __iomem *) desc;
+               struct tx_desc __iomem *io = (__force struct tx_desc __iomem *) 
desc;
                writel(addr >> 32, &io->addr.addrhi);
                writel(addr & 0xffffffff, &io->addr.addrlo);
                writel(flagsize, &io->flagsize);
@@ -2936,7 +2937,7 @@ static void __devinit ace_clear(struct ace_regs __iomem 
*regs, u32 dest, int siz
  * This operation requires the NIC to be halted and is performed with
  * interrupts disabled and with the spinlock hold.
  */
-int __devinit ace_load_firmware(struct net_device *dev)
+static int __devinit ace_load_firmware(struct net_device *dev)
 {
        struct ace_private *ap = netdev_priv(dev);
        struct ace_regs __iomem *regs = ap->regs;
diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c
index 4c728f1..35b0a7d 100644
--- a/drivers/net/atl1/atl1_main.c
+++ b/drivers/net/atl1/atl1_main.c
@@ -1367,7 +1367,6 @@ rrd_ok:
        if (count) {
                u32 tpd_next_to_use;
                u32 rfd_next_to_use;
-               u32 rrd_next_to_clean;
 
                spin_lock(&adapter->mb_lock);
 
@@ -1512,7 +1511,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, 
struct sk_buff *skb,
        unsigned int f;
        u16 tpd_next_to_use;
        u16 proto_hdr_len;
-       u16 i, m, len12;
+       u16 len12;
 
        first_buf_len -= skb->data_len;
        nr_frags = skb_shinfo(skb)->nr_frags;
@@ -1536,6 +1535,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, 
struct sk_buff *skb,
                        tpd_next_to_use = 0;
 
                if (first_buf_len > proto_hdr_len) {
+                       int i, m;
+
                        len12 = first_buf_len - proto_hdr_len;
                        m = (len12 + ATL1_MAX_TX_BUF_LEN - 1) /
                                ATL1_MAX_TX_BUF_LEN;
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index e91b709..5066beb 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -290,7 +290,7 @@ rio_probe1 (struct pci_dev *pdev, const struct 
pci_device_id *ent)
        return err;
 }
 
-int
+static int
 find_miiphy (struct net_device *dev)
 {
        int i, phy_found = 0;
@@ -314,7 +314,7 @@ find_miiphy (struct net_device *dev)
        return 0;
 }
 
-int
+static int
 parse_eeprom (struct net_device *dev)
 {
        int i, j;
@@ -1096,7 +1096,7 @@ clear_stats (struct net_device *dev)
 }
 
 
-int
+static int
 change_mtu (struct net_device *dev, int new_mtu)
 {
        struct netdev_private *np = netdev_priv(dev);
@@ -1331,7 +1331,7 @@ rio_ioctl (struct net_device *dev, struct ifreq *rq, int 
cmd)
 #define EEP_BUSY 0x8000
 /* Read the EEPROM word */
 /* We use I/O instruction to read/write eeprom to avoid fail on some machines 
*/
-int
+static int
 read_eeprom (long ioaddr, int eep_addr)
 {
        int i = 1000;
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 7bd9604..64f35e2 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1990,7 +1990,7 @@ static int e100_poll(struct napi_struct *napi, int budget)
 {
        struct nic *nic = container_of(napi, struct nic, napi);
        struct net_device *netdev = nic->netdev;
-       int work_done = 0;
+       unsigned int work_done = 0;
        int tx_cleaned;
 
        e100_rx_clean(nic, &work_done, budget);
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index 015ed3a..ed407c8 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -1017,7 +1017,7 @@ static inline int hamachi_tx(struct net_device *dev)
                        break;
                /* Free the original skb. */
                skb = hmp->tx_skbuff[entry];
-               if (skb != 0) {
+               if (skb) {
                        pci_unmap_single(hmp->pci_dev,
                                hmp->tx_ring[entry].addr, skb->len,
                                PCI_DMA_TODEVICE);
@@ -1069,7 +1069,6 @@ static void hamachi_tx_timeout(struct net_device *dev)
                   " resetting...\n", dev->name, (int)readw(ioaddr + TxStatus));
 
        {
-               int i;
                printk(KERN_DEBUG "  Rx ring %p: ", hmp->rx_ring);
                for (i = 0; i < RX_RING_SIZE; i++)
                        printk(" %8.8x", (unsigned 
int)hmp->rx_ring[i].status_n_length);
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index ea38da6..322d169 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -1615,7 +1615,7 @@ static void do_cable_magic(struct net_device *dev)
                 * (these values all come from National)
                 */
                if (!(data & 0x80) || ((data >= 0xd8) && (data <= 0xff))) {
-                       struct netdev_private *np = netdev_priv(dev);
+                       np = netdev_priv(dev);
 
                        /* the bug has been triggered - fix the coefficient */
                        writew(TSTDAT_FIXED, ioaddr + TSTDAT);
@@ -2502,8 +2502,8 @@ static void __set_rx_mode(struct net_device *dev)
                memset(mc_filter, 0, sizeof(mc_filter));
                for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
                         i++, mclist = mclist->next) {
-                       int i = (ether_crc(ETH_ALEN, mclist->dmi_addr) >> 23) & 
0x1ff;
-                       mc_filter[i/8] |= (1 << (i & 0x07));
+                       int b = (ether_crc(ETH_ALEN, mclist->dmi_addr) >> 23) & 
0x1ff;
+                       mc_filter[b/8] |= (1 << (b & 0x07));
                }
                rx_mode = RxFilterEnable | AcceptBroadcast
                        | AcceptMulticast | AcceptMyPhys;
diff --git a/drivers/net/tehuti.c b/drivers/net/tehuti.c
index 2483431..8d04654 100644
--- a/drivers/net/tehuti.c
+++ b/drivers/net/tehuti.c
@@ -750,7 +750,6 @@ bdx_vlan_rx_register(struct net_device *ndev, struct 
vlan_group *grp)
  */
 static int bdx_change_mtu(struct net_device *ndev, int new_mtu)
 {
-       BDX_ASSERT(ndev == 0);
        ENTER;
 
        if (new_mtu == ndev->mtu)
@@ -1002,7 +1001,7 @@ static inline void bdx_rxdb_free_elem(struct rxdb *db, 
int n)
 static int bdx_rx_init(struct bdx_priv *priv)
 {
        ENTER;
-       BDX_ASSERT(priv == 0);
+
        if (bdx_fifo_init(priv, &priv->rxd_fifo0.m, priv->rxd_size,
                          regRXD_CFG0_0, regRXD_CFG1_0,
                          regRXD_RPTR_0, regRXD_WPTR_0))
@@ -1747,7 +1746,6 @@ static void bdx_tx_cleanup(struct bdx_priv *priv)
                tx_level -= db->rptr->len;      /* '-' koz len is negative */
 
                /* now should come skb pointer - free it */
-               BDX_ASSERT(db->rptr->addr.skb == 0);
                dev_kfree_skb_irq(db->rptr->addr.skb);
                bdx_tx_db_inc_rptr(db);
        }
-
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