qla3xxx: don't allow never end busy loop

The counter variable wasn't increased at all which may stuck under
certain circumstances.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index c2f09af..4847713 100644 (file)
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -146,10 +146,7 @@ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
 {
        int i = 0;
 
-       while (i < 10) {
-               if (i)
-                       ssleep(1);
-
+       do {
                if (ql_sem_lock(qdev,
                                QL_DRVR_SEM_MASK,
                                (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
@@ -158,7 +155,8 @@ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
                                      "driver lock acquired\n");
                        return 1;
                }
-       }
+               ssleep(1);
+       } while (++i < 10);
 
        netdev_err(qdev->ndev, "Timed out waiting for driver lock...\n");
        return 0;