diff options
| author | Shannon Nelson <snelson@pensando.io> | 2021-04-07 16:20:01 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-08 13:18:49 -0700 |
| commit | f3318099658edcc899b95cdf54257edd428e7fbb (patch) | |
| tree | d7e97bc94be24f8cf98bcb1a080ffee6c78d29fd | |
| parent | 829600ce5e4e985a8a49c445c5e5c72ca613ce41 (diff) | |
ionic: extend ts_config set locking
Make sure the configuration is locked before
operating on it for the replay.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_phc.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_phc.c b/drivers/net/ethernet/pensando/ionic/ionic_phc.c index 2bb749097d9e..177dbf89affd 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_phc.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_phc.c @@ -79,6 +79,8 @@ static int ionic_lif_hwstamp_set_ts_config(struct ionic_lif *lif, if (!lif->phc || !lif->phc->ptp) return -EOPNOTSUPP; + mutex_lock(&lif->phc->config_lock); + if (new_ts) { config = new_ts; } else { @@ -96,12 +98,16 @@ static int ionic_lif_hwstamp_set_ts_config(struct ionic_lif *lif, } tx_mode = ionic_hwstamp_tx_mode(config->tx_type); - if (tx_mode < 0) - return tx_mode; + if (tx_mode < 0) { + err = tx_mode; + goto err_queues; + } mask = cpu_to_le64(BIT_ULL(tx_mode)); - if ((ionic->ident.lif.eth.hwstamp_tx_modes & mask) != mask) - return -ERANGE; + if ((ionic->ident.lif.eth.hwstamp_tx_modes & mask) != mask) { + err = -ERANGE; + goto err_queues; + } rx_filt = ionic_hwstamp_rx_filt(config->rx_filter); rx_all = config->rx_filter != HWTSTAMP_FILTER_NONE && !rx_filt; @@ -116,8 +122,6 @@ static int ionic_lif_hwstamp_set_ts_config(struct ionic_lif *lif, dev_dbg(ionic->dev, "config_rx_filter %d rx_filt %#llx rx_all %d\n", config->rx_filter, rx_filt, rx_all); - mutex_lock(&lif->phc->config_lock); - if (tx_mode) { err = ionic_lif_create_hwstamp_txq(lif); if (err) |