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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/smsc9420.c
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/smsc9420.c')
-rw-r--r--drivers/net/smsc9420.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
index d801900a503..a1e4b3895b3 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 */