diff options
Diffstat (limited to 'drivers/pci/pci-driver.c')
| -rw-r--r-- | drivers/pci/pci-driver.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index cf2cff7480f1..e65bf2b395aa 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c | |||
| @@ -335,13 +335,14 @@ pci_driver_attr_show(struct kobject * kobj, struct attribute *attr, char *buf) | |||
| 335 | { | 335 | { |
| 336 | struct device_driver *driver = kobj_to_pci_driver(kobj); | 336 | struct device_driver *driver = kobj_to_pci_driver(kobj); |
| 337 | struct driver_attribute *dattr = attr_to_driver_attribute(attr); | 337 | struct driver_attribute *dattr = attr_to_driver_attribute(attr); |
| 338 | ssize_t ret = 0; | 338 | ssize_t ret; |
| 339 | 339 | ||
| 340 | if (get_driver(driver)) { | 340 | if (!get_driver(driver)) |
| 341 | if (dattr->show) | 341 | return -ENODEV; |
| 342 | ret = dattr->show(driver, buf); | 342 | |
| 343 | put_driver(driver); | 343 | ret = dattr->show ? dattr->show(driver, buf) : -EIO; |
| 344 | } | 344 | |
| 345 | put_driver(driver); | ||
| 345 | return ret; | 346 | return ret; |
| 346 | } | 347 | } |
| 347 | 348 | ||
| @@ -351,13 +352,14 @@ pci_driver_attr_store(struct kobject * kobj, struct attribute *attr, | |||
| 351 | { | 352 | { |
| 352 | struct device_driver *driver = kobj_to_pci_driver(kobj); | 353 | struct device_driver *driver = kobj_to_pci_driver(kobj); |
| 353 | struct driver_attribute *dattr = attr_to_driver_attribute(attr); | 354 | struct driver_attribute *dattr = attr_to_driver_attribute(attr); |
| 354 | ssize_t ret = 0; | 355 | ssize_t ret; |
| 355 | 356 | ||
| 356 | if (get_driver(driver)) { | 357 | if (!get_driver(driver)) |
| 357 | if (dattr->store) | 358 | return -ENODEV; |
| 358 | ret = dattr->store(driver, buf, count); | 359 | |
| 359 | put_driver(driver); | 360 | ret = dattr->store ? dattr->store(driver, buf, count) : -EIO; |
| 360 | } | 361 | |
| 362 | put_driver(driver); | ||
| 361 | return ret; | 363 | return ret; |
| 362 | } | 364 | } |
| 363 | 365 | ||
