4.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Eugenia Emantayev <eugenia@xxxxxxxxxxxx>
[ Upstream commit f08c39ed0bfb503c7b3e013cd40d036ce6a0941a ]
This is done in order to ensure that work will not run after the cleanup.
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 | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
@@ -114,13 +114,14 @@ static void mlx5e_timestamp_overflow(str
struct delayed_work *dwork = to_delayed_work(work);
struct mlx5e_tstamp *tstamp = container_of(dwork, struct mlx5e_tstamp,
overflow_work);
+ struct mlx5e_priv *priv = container_of(tstamp, struct mlx5e_priv, tstamp);
unsigned long flags;
write_lock_irqsave(&tstamp->lock, flags);
timecounter_read(&tstamp->clock);
write_unlock_irqrestore(&tstamp->lock, flags);
- schedule_delayed_work(&tstamp->overflow_work,
- msecs_to_jiffies(tstamp->overflow_period * 1000));
+ queue_delayed_work(priv->wq, &tstamp->overflow_work,
+ msecs_to_jiffies(tstamp->overflow_period * 1000));
}
int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr)
@@ -578,7 +579,7 @@ void mlx5e_timestamp_init(struct mlx5e_p
INIT_WORK(&tstamp->pps_info.out_work, mlx5e_pps_out);
INIT_DELAYED_WORK(&tstamp->overflow_work, mlx5e_timestamp_overflow);
if (tstamp->overflow_period)
- schedule_delayed_work(&tstamp->overflow_work, 0);
+ queue_delayed_work(priv->wq, &tstamp->overflow_work, 0);
else
mlx5_core_warn(priv->mdev, "invalid overflow period, overflow_work is not scheduled\n");
@@ -614,8 +615,6 @@ void mlx5e_timestamp_cleanup(struct mlx5
}
cancel_work_sync(&tstamp->pps_info.out_work);
-
- kfree(tstamp->ptp_info.pin_config);
-
cancel_delayed_work_sync(&tstamp->overflow_work);
+ kfree(tstamp->ptp_info.pin_config);
}