Commit 1d024355 authored by Andrew Patterson's avatar Andrew Patterson Committed by Jesse Barnes

PCI: use better error return values in aer_inject

Replaced some error return values in aer_inject. Use -ENODEV when we
can't find a device and -ENOTTY when the device does not support PCIe AER.
Acked-by: default avatarHuang Ying <ying.huang@intel.com>
Signed-off-by: default avatarAndrew Patterson <andrew.patterson@hp.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent cc5d153a
......@@ -326,23 +326,23 @@ static int aer_inject(struct aer_error_inj *einj)
dev = pci_get_domain_bus_and_slot((int)einj->domain, einj->bus, devfn);
if (!dev)
return -EINVAL;
return -ENODEV;
rpdev = pcie_find_root_port(dev);
if (!rpdev) {
ret = -EINVAL;
ret = -ENOTTY;
goto out_put;
}
pos_cap_err = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
if (!pos_cap_err) {
ret = -EIO;
ret = -ENOTTY;
goto out_put;
}
pci_read_config_dword(dev, pos_cap_err + PCI_ERR_UNCOR_SEVER, &sever);
rp_pos_cap_err = pci_find_ext_capability(rpdev, PCI_EXT_CAP_ID_ERR);
if (!rp_pos_cap_err) {
ret = -EIO;
ret = -ENOTTY;
goto out_put;
}
......
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