diff options
| author | Martin Habets <mhabets@solarflare.com> | 2019-11-21 17:52:15 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-28 18:25:25 +0100 |
| commit | b5c46c07d5e1eb8f017deb14164f7009c6c6fb47 (patch) | |
| tree | 42801f47564d89ca4e934339502d1c7439131308 /drivers/net/ethernet/sfc | |
| parent | 060cd045fbe2ad1ccb606f19e173ab0c45262609 (diff) | |
sfc: Only cancel the PPS workqueue if it exists
[ Upstream commit 723eb53690041740a13ac78efeaf6804f5d684c9 ]
The workqueue only exists for the primary PF. For other functions
we hit a WARN_ON in kernel/workqueue.c.
Fixes: 7c236c43b838 ("sfc: Add support for IEEE-1588 PTP")
Signed-off-by: Martin Habets <mhabets@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/sfc')
| -rw-r--r-- | drivers/net/ethernet/sfc/ptp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index c771e0af4e06..ffb2544f8574 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -1320,7 +1320,8 @@ void efx_ptp_remove(struct efx_nic *efx) (void)efx_ptp_disable(efx); cancel_work_sync(&efx->ptp_data->work); - cancel_work_sync(&efx->ptp_data->pps_work); + if (efx->ptp_data->pps_workwq) + cancel_work_sync(&efx->ptp_data->pps_work); skb_queue_purge(&efx->ptp_data->rxq); skb_queue_purge(&efx->ptp_data->txq); |