diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index ab0a5a663a6d4..a5f51018029a6 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -3318,6 +3318,12 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, iwl_disable_interrupts(trans); trans->hw_rev = iwl_read32(trans, CSR_HW_REV); + if (trans->hw_rev == 0xffffffff) { + dev_err(&pdev->dev, "HW_REV=0xFFFFFFFF, PCI issues?\n"); + ret = -EIO; + goto out_no_pci; + } + /* * In the 8000 HW family the format of the 4 bytes of CSR_HW_REV have * changed, and now the revision step also includes bit 0-1 (no more |