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authorRoel Kluin <roel.kluin@gmail.com>2009-02-02 21:39:02 -0800
committerDavid S. Miller <davem@davemloft.net>2009-02-02 21:39:02 -0800
commit46578a6913e6f5e69229561736b94c18c2e88ae4 (patch)
tree23db22f32e094dd971650528ea1d499bd2ab3015 /drivers/net
parent0047e5d240ede4e84c03bc9001375175900fd259 (diff)
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ibm_newemac/phy.c4
-rw-r--r--drivers/net/smc911x.c4
-rw-r--r--drivers/net/smsc9420.c12
-rw-r--r--drivers/net/sungem.c2
-rw-r--r--drivers/net/sunqe.c2
-rw-r--r--drivers/net/tsi108_eth.c2
-rw-r--r--drivers/net/tulip/de2104x.c2
7 files changed, 14 insertions, 14 deletions
diff --git a/drivers/net/ibm_newemac/phy.c b/drivers/net/ibm_newemac/phy.c
index c40cd8df2212..ac9d964e59ec 100644
--- a/drivers/net/ibm_newemac/phy.c
+++ b/drivers/net/ibm_newemac/phy.c
@@ -60,7 +60,7 @@ int emac_mii_reset_phy(struct mii_phy *phy)
udelay(300);
- while (limit--) {
+ while (--limit) {
val = phy_read(phy, MII_BMCR);
if (val >= 0 && (val & BMCR_RESET) == 0)
break;
@@ -84,7 +84,7 @@ int emac_mii_reset_gpcs(struct mii_phy *phy)
udelay(300);
- while (limit--) {
+ while (--limit) {
val = gpcs_phy_read(phy, MII_BMCR);
if (val >= 0 && (val & BMCR_RESET) == 0)
break;
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index bf3aa2a1effe..223cde0d43be 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -220,9 +220,9 @@ static void smc911x_reset(struct net_device *dev)
/* make sure EEPROM has finished loading before setting GPIO_CFG */
timeout=1000;
- while ( timeout-- && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) {
+ while (--timeout && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_))
udelay(10);
- }
+
if (timeout == 0){
PRINTK("%s: smc911x_reset timeout waiting for EEPROM busy\n", dev->name);
return;
diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
index d801900a5036..a1e4b3895b33 100644
--- a/drivers/net/smsc9420.c
+++ b/drivers/net/smsc9420.c
@@ -498,7 +498,7 @@ static void smsc9420_check_mac_address(struct net_device *dev)
static void smsc9420_stop_tx(struct smsc9420_pdata *pd)
{
u32 dmac_control, mac_cr, dma_intr_ena;
- int timeOut = 1000;
+ int timeout = 1000;
/* disable TX DMAC */
dmac_control = smsc9420_reg_read(pd, DMAC_CONTROL);
@@ -506,13 +506,13 @@ static void smsc9420_stop_tx(struct smsc9420_pdata *pd)
smsc9420_reg_write(pd, DMAC_CONTROL, dmac_control);
/* Wait max 10ms for transmit process to stop */
- while (timeOut--) {
+ while (--timeout) {
if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_TS_)
break;
udelay(10);
}
- if (!timeOut)
+ if (!timeout)
smsc_warn(IFDOWN, "TX DMAC failed to stop");
/* ACK Tx DMAC stop bit */
@@ -596,7 +596,7 @@ static void smsc9420_free_rx_ring(struct smsc9420_pdata *pd)
static void smsc9420_stop_rx(struct smsc9420_pdata *pd)
{
- int timeOut = 1000;
+ int timeout = 1000;
u32 mac_cr, dmac_control, dma_intr_ena;
/* mask RX DMAC interrupts */
@@ -617,13 +617,13 @@ static void smsc9420_stop_rx(struct smsc9420_pdata *pd)
smsc9420_pci_flush_write(pd);
/* wait up to 10ms for receive to stop */
- while (timeOut--) {
+ while (--timeout) {
if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_RS_)
break;
udelay(10);
}
- if (!timeOut)
+ if (!timeout)
smsc_warn(IFDOWN, "RX DMAC did not stop! timeout.");
/* ACK the Rx DMAC stop bit */
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 86c765d83de1..b17efa9cc530 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -148,7 +148,7 @@ static u16 __phy_read(struct gem *gp, int phy_addr, int reg)
cmd |= (MIF_FRAME_TAMSB);
writel(cmd, gp->regs + MIF_FRAME);
- while (limit--) {
+ while (--limit) {
cmd = readl(gp->regs + MIF_FRAME);
if (cmd & MIF_FRAME_TALSB)
break;
diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c
index 6e8f377355fe..fe0c3f244562 100644
--- a/drivers/net/sunqe.c
+++ b/drivers/net/sunqe.c
@@ -227,7 +227,7 @@ static int qe_init(struct sunqe *qep, int from_irq)
if (!(sbus_readb(mregs + MREGS_PHYCONFIG) & MREGS_PHYCONFIG_LTESTDIS)) {
int tries = 50;
- while (tries--) {
+ while (--tries) {
u8 tmp;
mdelay(5);
diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c
index 75461dbd4876..a9fd2b2ccaf6 100644
--- a/drivers/net/tsi108_eth.c
+++ b/drivers/net/tsi108_eth.c
@@ -1237,7 +1237,7 @@ static void tsi108_init_phy(struct net_device *dev)
spin_lock_irqsave(&phy_lock, flags);
tsi108_write_mii(data, MII_BMCR, BMCR_RESET);
- while (i--){
+ while (--i) {
if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET))
break;
udelay(10);
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index d5d53b633cf8..0bf2114738be 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -392,7 +392,7 @@ static void de_rx (struct de_private *de)
unsigned drop = 0;
int rc;
- while (rx_work--) {
+ while (--rx_work) {
u32 status, len;
dma_addr_t mapping;
struct sk_buff *skb, *copy_skb;