From 2abad79afa700e837cb4feed170141292e0720c0 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Tue, 6 Jan 2015 23:17:53 +0200 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/net/ethernet/qlogic/qla3xxx.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index c2f09af..4847713 100644 --- 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; -- 2.7.4