u8 byte;
u16 word;
u32 dword;
- long err, cfg_ret;
+ long err;
+ long cfg_ret;
- err = -EPERM;
if (!capable(CAP_SYS_ADMIN))
- goto error;
+ return -EPERM;
err = -ENODEV;
- dev = pci_find_slot(bus, dfn);
+ dev = pci_get_bus_and_slot(bus, dfn);
if (!dev)
goto error;
- lock_kernel();
switch (len) {
case 1:
cfg_ret = pci_user_read_config_byte(dev, off, &byte);
break;
default:
err = -EINVAL;
- unlock_kernel();
goto error;
};
- unlock_kernel();
err = -EIO;
if (cfg_ret != PCIBIOS_SUCCESSFUL)
case 4:
err = put_user(dword, (unsigned int __user *)buf);
break;
- };
+ }
+ pci_dev_put(dev);
return err;
error:
case 4:
put_user(-1, (unsigned int __user *)buf);
break;
- };
+ }
+ pci_dev_put(dev);
return err;
}
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- dev = pci_find_slot(bus, dfn);
+ dev = pci_get_bus_and_slot(bus, dfn);
if (!dev)
return -ENODEV;
- lock_kernel();
switch(len) {
case 1:
err = get_user(byte, (u8 __user *)buf);
default:
err = -EINVAL;
break;
- };
- unlock_kernel();
-
+ }
+ pci_dev_put(dev);
return err;
}