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authorRoel Kluin <roel.kluin@gmail.com>2010-02-02 12:43:44 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-03 20:16:46 -0800
commite23e11792a77c7d54f363841cd5e33074fb0c8c9 (patch)
tree0d3cf838f24f20ac1e370f904af11b88c2e23a47
parent4bbd1a1903639f826215d76af74f4901efc34daa (diff)
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>
-rw-r--r--drivers/isdn/hisax/isar.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/isdn/hisax/isar.c b/drivers/isdn/hisax/isar.c
index bfeb9b6aa04..6bde16c00fb 100644
--- a/drivers/isdn/hisax/isar.c
+++ b/drivers/isdn/hisax/isar.c
@@ -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);
}