hisax: timeout off by one in waitrecmsg()
With `while (timeout++ < maxdelay)' timeout reaches maxdelay + 1 after the
loop This is probably unlikely a problem in practice.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/isdn/hisax/isar.c b/drivers/isdn/hisax/isar.c
index bfeb9b6..6bde16c 100644
--- a/drivers/isdn/hisax/isar.c
+++ b/drivers/isdn/hisax/isar.c
@@ -138,7 +138,7 @@
while((!(cs->BC_Read_Reg(cs, 0, ISAR_IRQBIT) & ISAR_IRQSTA)) &&
(timeout++ < maxdelay))
udelay(1);
- if (timeout >= maxdelay) {
+ if (timeout > maxdelay) {
printk(KERN_WARNING"isar recmsg IRQSTA timeout\n");
return(0);
}