[PATCH 4.12 095/106] net/mlx5e: Fix wrong delay calculation for overflow check scheduling

From: Greg Kroah-Hartman
Date: Wed Aug 09 2017 - 12:56:18 EST


4.12-stable review patch. If anyone has any objections, please let me know.

------------------

From: Eugenia Emantayev <eugenia@xxxxxxxxxxxx>


[ Upstream commit d439c84509a510e864fdc6166c760482cd03fc57 ]

The overflow_period is calculated in seconds. In order to use it
for delayed work scheduling translation to jiffies is needed.

Fixes: ef9814deafd0 ('net/mlx5e: Add HW timestamping (TS) support')
Signed-off-by: Eugenia Emantayev <eugenia@xxxxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/en_clock.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
@@ -119,7 +119,8 @@ static void mlx5e_timestamp_overflow(str
write_lock_irqsave(&tstamp->lock, flags);
timecounter_read(&tstamp->clock);
write_unlock_irqrestore(&tstamp->lock, flags);
- schedule_delayed_work(&tstamp->overflow_work, tstamp->overflow_period);
+ schedule_delayed_work(&tstamp->overflow_work,
+ msecs_to_jiffies(tstamp->overflow_period * 1000));
}

int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr)