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/smc911x.c b/drivers/net/smc911x.c
index bf3aa2a..223cde0 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -220,9 +220,9 @@
/* make sure EEPROM has finished loading before setting GPIO_CFG */
timeout=1000;
- while ( timeout-- && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) {
+ while (--timeout && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_))
udelay(10);
- }
+
if (timeout == 0){
PRINTK("%s: smc911x_reset timeout waiting for EEPROM busy\n", dev->name);
return;