be2net: Fix interval calculation in interrupt moderation

Interrupt moderation parameters need to be recalculated only
after a time interval of 1 ms. Interval calculation is wrong
when there is a rollover of jiffies. Using recommended way of interval
calculation using jiffies to fix this.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@broadcom.com>
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Suresh Reddy <suresh.reddy@broadcom.com>
Orabug: 22725582
Signed-off-by: Manjunath Govindashetty <manjunath.govindashetty@oracle.com>

diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 1f3c1dc01f1246117798442fa58d1886c0147664..0e81d58fa10623bc868a1d1e617735cd2cf1a633 100644 (file)
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1917,8 +1917,7 @@ static u32 be_get_eq_delay_mult_enc(struct be_eq_obj *eqo)
        if (!aic->enable)
                return 0;
 
-       if (time_before_eq(now, aic->jiffies) ||
-           jiffies_to_msecs(now - aic->jiffies) < 1)
+       if (jiffies_to_msecs(now - aic->jiffies) < 1)
                eqd = aic->prev_eqd;
        else
                eqd = be_get_new_eqd(eqo);