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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-03-04 00:11:42 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-04 00:11:42 -0800 |
| commit | 858b9ced6e73a0f087294c398a1ae70a7eeed94f (patch) | |
| tree | 81a2298b2c45d90f68b016fb0b4fa05c19a787f5 /drivers | |
| parent | 4222474519ff5b31a526dfa1da7aa4b0e38bef5c (diff) | |
| download | linux-858b9ced6e73a0f087294c398a1ae70a7eeed94f.tar.gz linux-858b9ced6e73a0f087294c398a1ae70a7eeed94f.tar.bz2 linux-858b9ced6e73a0f087294c398a1ae70a7eeed94f.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/arm/ks8695net.c | 2 | ||||
| -rw-r--r-- | drivers/net/jme.c | 3 | ||||
| -rw-r--r-- | drivers/net/ucc_geth_mii.c | 4 |
3 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c index 1cf2f949c0b4..f3a127434897 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 08b34051c646..a6e1a35a13cb 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 54635911305c..0ada4edd56eb 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; } |