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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>
hifive-unleashed-5.1
Roel Kluin 2010-02-02 12:43:44 +00:00 committed by David S. Miller
parent 4bbd1a1903
commit e23e11792a
1 changed files with 1 additions and 1 deletions
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2
drivers/isdn/hisax/isar.c
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@ -138,7 +138,7 @@ waitrecmsg(struct IsdnCardState *cs, u_char *len,
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);
}