net: variables reach -1, but 0 tested
while (timeout--) { ... } timeout becomes -1 if the loop isn't ended otherwise, not 0. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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0047e5d240
commit
46578a6913
7 changed files with 14 additions and 14 deletions
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@ -60,7 +60,7 @@ int emac_mii_reset_phy(struct mii_phy *phy)
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udelay(300);
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while (limit--) {
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while (--limit) {
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val = phy_read(phy, MII_BMCR);
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if (val >= 0 && (val & BMCR_RESET) == 0)
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break;
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@ -84,7 +84,7 @@ int emac_mii_reset_gpcs(struct mii_phy *phy)
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udelay(300);
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while (limit--) {
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while (--limit) {
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val = gpcs_phy_read(phy, MII_BMCR);
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if (val >= 0 && (val & BMCR_RESET) == 0)
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break;
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@ -220,9 +220,9 @@ static void smc911x_reset(struct net_device *dev)
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/* make sure EEPROM has finished loading before setting GPIO_CFG */
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timeout=1000;
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while ( timeout-- && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) {
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while (--timeout && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_))
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udelay(10);
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}
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if (timeout == 0){
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PRINTK("%s: smc911x_reset timeout waiting for EEPROM busy\n", dev->name);
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return;
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@ -498,7 +498,7 @@ static void smsc9420_check_mac_address(struct net_device *dev)
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static void smsc9420_stop_tx(struct smsc9420_pdata *pd)
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{
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u32 dmac_control, mac_cr, dma_intr_ena;
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int timeOut = 1000;
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int timeout = 1000;
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/* disable TX DMAC */
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dmac_control = smsc9420_reg_read(pd, DMAC_CONTROL);
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@ -506,13 +506,13 @@ static void smsc9420_stop_tx(struct smsc9420_pdata *pd)
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smsc9420_reg_write(pd, DMAC_CONTROL, dmac_control);
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/* Wait max 10ms for transmit process to stop */
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while (timeOut--) {
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while (--timeout) {
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if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_TS_)
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break;
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udelay(10);
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}
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if (!timeOut)
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if (!timeout)
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smsc_warn(IFDOWN, "TX DMAC failed to stop");
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/* ACK Tx DMAC stop bit */
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@ -596,7 +596,7 @@ static void smsc9420_free_rx_ring(struct smsc9420_pdata *pd)
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static void smsc9420_stop_rx(struct smsc9420_pdata *pd)
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{
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int timeOut = 1000;
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int timeout = 1000;
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u32 mac_cr, dmac_control, dma_intr_ena;
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/* mask RX DMAC interrupts */
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@ -617,13 +617,13 @@ static void smsc9420_stop_rx(struct smsc9420_pdata *pd)
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smsc9420_pci_flush_write(pd);
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/* wait up to 10ms for receive to stop */
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while (timeOut--) {
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while (--timeout) {
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if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_RS_)
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break;
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udelay(10);
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}
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if (!timeOut)
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if (!timeout)
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smsc_warn(IFDOWN, "RX DMAC did not stop! timeout.");
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/* ACK the Rx DMAC stop bit */
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@ -148,7 +148,7 @@ static u16 __phy_read(struct gem *gp, int phy_addr, int reg)
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cmd |= (MIF_FRAME_TAMSB);
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writel(cmd, gp->regs + MIF_FRAME);
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while (limit--) {
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while (--limit) {
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cmd = readl(gp->regs + MIF_FRAME);
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if (cmd & MIF_FRAME_TALSB)
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break;
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@ -227,7 +227,7 @@ static int qe_init(struct sunqe *qep, int from_irq)
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if (!(sbus_readb(mregs + MREGS_PHYCONFIG) & MREGS_PHYCONFIG_LTESTDIS)) {
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int tries = 50;
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while (tries--) {
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while (--tries) {
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u8 tmp;
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mdelay(5);
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@ -1237,7 +1237,7 @@ static void tsi108_init_phy(struct net_device *dev)
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spin_lock_irqsave(&phy_lock, flags);
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tsi108_write_mii(data, MII_BMCR, BMCR_RESET);
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while (i--){
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while (--i) {
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if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET))
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break;
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udelay(10);
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@ -392,7 +392,7 @@ static void de_rx (struct de_private *de)
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unsigned drop = 0;
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int rc;
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while (rx_work--) {
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while (--rx_work) {
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u32 status, len;
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dma_addr_t mapping;
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struct sk_buff *skb, *copy_skb;
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