diff options
Diffstat (limited to 'drivers/hwmon/i5k_amb.c')
| -rw-r--r-- | drivers/hwmon/i5k_amb.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c index eeac4b04df27..783fa936e4d1 100644 --- a/drivers/hwmon/i5k_amb.c +++ b/drivers/hwmon/i5k_amb.c @@ -396,7 +396,7 @@ exit_remove: static int i5k_amb_add(void) { - int res = -ENODEV; + int res; /* only ever going to be one of these */ amb_pdev = platform_device_alloc(DRVNAME, 0); @@ -427,11 +427,13 @@ static int i5k_find_amb_registers(struct i5k_amb_data *data, if (!pcidev) return -ENODEV; - if (pci_read_config_dword(pcidev, I5K_REG_AMB_BASE_ADDR, &val32)) + pci_read_config_dword(pcidev, I5K_REG_AMB_BASE_ADDR, &val32); + if (val32 == (u32)~0) goto out; data->amb_base = val32; - if (pci_read_config_dword(pcidev, I5K_REG_AMB_LEN_ADDR, &val32)) + pci_read_config_dword(pcidev, I5K_REG_AMB_LEN_ADDR, &val32); + if (val32 == (u32)~0) goto out; data->amb_len = val32; @@ -458,11 +460,13 @@ static int i5k_channel_probe(u16 *amb_present, unsigned long dev_id) if (!pcidev) return -ENODEV; - if (pci_read_config_word(pcidev, I5K_REG_CHAN0_PRESENCE_ADDR, &val16)) + pci_read_config_word(pcidev, I5K_REG_CHAN0_PRESENCE_ADDR, &val16); + if (val16 == (u16)~0) goto out; amb_present[0] = val16; - if (pci_read_config_word(pcidev, I5K_REG_CHAN1_PRESENCE_ADDR, &val16)) + pci_read_config_word(pcidev, I5K_REG_CHAN1_PRESENCE_ADDR, &val16); + if (val16 == (u16)~0) goto out; amb_present[1] = val16; |