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iwlwifi: return real info in probe failure 

Don't return a hard coded -EFAULT, but rather the error
that occurred in the flow.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2012-11-28 16:42:09 +02:00 committed by Johannes Berg
parent b4991f3f7b
commit 59f547ac5b
2 changed files with 11 additions and 6 deletions
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6
drivers/net/wireless/iwlwifi/iwl-drv.c
View File

@ -1032,6 +1032,7 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
if (!drv->dbgfs_drv) {
IWL_ERR(drv, "failed to create debugfs directory\n");
ret = -ENOMEM;
goto err_free_drv;
}
@ -1040,12 +1041,12 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
if (!drv->trans->dbgfs_dir) {
IWL_ERR(drv, "failed to create transport debugfs directory\n");
ret = -ENOMEM;
goto err_free_dbgfs;
}
#endif
ret = iwl_request_firmware(drv, true);
if (ret) {
IWL_ERR(trans, "Couldn't request the fw\n");
goto err_fw;
@ -1060,9 +1061,8 @@ err_free_dbgfs:
err_free_drv:
#endif
kfree(drv);
drv = NULL;
return drv;
return ERR_PTR(ret);
}
void iwl_drv_stop(struct iwl_drv *drv)

11
drivers/net/wireless/iwlwifi/pcie/drv.c
View File

@ -267,6 +267,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
const struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
struct iwl_trans *iwl_trans;
struct iwl_trans_pcie *trans_pcie;
int ret;
iwl_trans = iwl_trans_pcie_alloc(pdev, ent, cfg);
if (iwl_trans == NULL)
@ -276,11 +277,15 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
trans_pcie->drv = iwl_drv_start(iwl_trans, cfg);
if (!trans_pcie->drv)
if (IS_ERR_OR_NULL(trans_pcie->drv)) {
ret = PTR_ERR(trans_pcie->drv);
goto out_free_trans;
}
/* register transport layer debugfs here */
if (iwl_trans_dbgfs_register(iwl_trans, iwl_trans->dbgfs_dir))
ret = iwl_trans_dbgfs_register(iwl_trans, iwl_trans->dbgfs_dir);
if (ret)
goto out_free_drv;
return 0;
@ -290,7 +295,7 @@ out_free_drv:
out_free_trans:
iwl_trans_pcie_free(iwl_trans);
pci_set_drvdata(pdev, NULL);
return -EFAULT;
return ret;
}
static void __devexit iwl_pci_remove(struct pci_dev *pdev)