niu: timeout ignored in tcam_wait_bit()

With `while (--limit > 0)' i reaches 0 after the loop, so upon timeout the
error was not returned.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 8ce58c4..2aed2b3 100644 (file)
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -2844,7 +2844,7 @@ static int tcam_wait_bit(struct niu *np, u64 bit)
                        break;
                udelay(1);
        }
-       if (limit < 0)
+       if (limit <= 0)
                return -ENODEV;
 
        return 0;