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authorRoel Kluin <roel.kluin@gmail.com>2009-03-04 00:11:42 -0800
committerDavid S. Miller <davem@davemloft.net>2009-03-04 00:11:42 -0800
commit858b9ced6e73a0f087294c398a1ae70a7eeed94f (patch)
tree81a2298b2c45d90f68b016fb0b4fa05c19a787f5
parent4222474519ff5b31a526dfa1da7aa4b0e38bef5c (diff)
net: more timeouts that reach -1
with while (timeout-- > 0); timeout reaches -1 after the loop, so the tests below are off by one. also don't do an '< 0' test on an unsigned. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/arm/ks8695net.c2
-rw-r--r--drivers/net/jme.c3
-rw-r--r--drivers/net/ucc_geth_mii.c4
3 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index 1cf2f949c0b..f3a12743489 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -560,7 +560,7 @@ ks8695_reset(struct ks8695_priv *ksp)
msleep(1);
}
- if (reset_timeout == 0) {
+ if (reset_timeout < 0) {
dev_crit(ksp->dev,
"Timeout waiting for DMA engines to reset\n");
/* And blithely carry on */
diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index 08b34051c64..a6e1a35a13c 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -957,13 +957,14 @@ jme_process_receive(struct jme_adapter *jme, int limit)
goto out_inc;
i = atomic_read(&rxring->next_to_clean);
- while (limit-- > 0) {
+ while (limit > 0) {
rxdesc = rxring->desc;
rxdesc += i;
if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_OWN)) ||
!(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL))
goto out;
+ --limit;
desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT;
diff --git a/drivers/net/ucc_geth_mii.c b/drivers/net/ucc_geth_mii.c
index 54635911305..0ada4edd56e 100644
--- a/drivers/net/ucc_geth_mii.c
+++ b/drivers/net/ucc_geth_mii.c
@@ -107,7 +107,7 @@ int uec_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
static int uec_mdio_reset(struct mii_bus *bus)
{
struct ucc_mii_mng __iomem *regs = (void __iomem *)bus->priv;
- unsigned int timeout = PHY_INIT_TIMEOUT;
+ int timeout = PHY_INIT_TIMEOUT;
mutex_lock(&bus->mdio_lock);
@@ -123,7 +123,7 @@ static int uec_mdio_reset(struct mii_bus *bus)
mutex_unlock(&bus->mdio_lock);
- if (timeout <= 0) {
+ if (timeout < 0) {
printk(KERN_ERR "%s: The MII Bus is stuck!\n", bus->name);
return -EBUSY;
}