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>
diff --git a/drivers/net/ibm_newemac/phy.c b/drivers/net/ibm_newemac/phy.c
index c40cd8d..ac9d964 100644
--- a/drivers/net/ibm_newemac/phy.c
+++ b/drivers/net/ibm_newemac/phy.c
@@ -60,7 +60,7 @@
udelay(300);
- while (limit--) {
+ while (--limit) {
val = phy_read(phy, MII_BMCR);
if (val >= 0 && (val & BMCR_RESET) == 0)
break;
@@ -84,7 +84,7 @@
udelay(300);
- while (limit--) {
+ while (--limit) {
val = gpcs_phy_read(phy, MII_BMCR);
if (val >= 0 && (val & BMCR_RESET) == 0)
break;