diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ptp.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c index 582704a..bb7fe98b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c @@ -447,8 +447,12 @@ static int i40e_ptp_set_timestamp_mode(struct i40e_pf *pf, /* Confirm that 1588 is supported on this PF. */ pf_id = (rd32(hw, I40E_PRTTSYN_CTL0) & I40E_PRTTSYN_CTL0_PF_ID_MASK) >> I40E_PRTTSYN_CTL0_PF_ID_SHIFT; - if (hw->pf_id != pf_id) - return -EINVAL; + if (hw->pf_id != pf_id) { + dev_err(&pf->pdev->dev, + "PF %d attempted to control timestamp mode on port %d, which is owned by PF %d\n", + hw->pf_id, hw->port, pf_id); + return -EPERM; + } switch (config->tx_type) { case HWTSTAMP_TX_OFF: |