usbnet: test off by one
With `while (i++ < MII_TIMEOUT)' i reaches MII_TIMEOUT + 1 after the loop
This is probably unlikely a problem in practice.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index f14d225..fd19db0 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -270,7 +270,7 @@
get_registers(dev, PHYCNT, 1, data);
} while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT));
- if (i < MII_TIMEOUT) {
+ if (i <= MII_TIMEOUT) {
get_registers(dev, PHYDAT, 2, data);
*reg = data[0] | (data[1] << 8);
return 0;
@@ -295,7 +295,7 @@
get_registers(dev, PHYCNT, 1, data);
} while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT));
- if (i < MII_TIMEOUT)
+ if (i <= MII_TIMEOUT)
return 0;
else
return 1;