diff options
| -rw-r--r-- | drivers/pci/hotplug.c | 53 |
1 files changed, 21 insertions, 32 deletions
diff --git a/drivers/pci/hotplug.c b/drivers/pci/hotplug.c index b844bc972324..10444988a10b 100644 --- a/drivers/pci/hotplug.c +++ b/drivers/pci/hotplug.c @@ -20,46 +20,35 @@ int pci_hotplug (struct device *dev, char **envp, int num_envp, scratch = buffer; - /* stuff we want to pass to /sbin/hotplug */ - envp[i++] = scratch; - length += scnprintf (scratch, buffer_size - length, "PCI_CLASS=%04X", - pdev->class); - if ((buffer_size - length <= 0) || (i >= num_envp)) + + if (add_hotplug_env_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PCI_CLASS=%04X", pdev->class)) return -ENOMEM; - ++length; - scratch += length; - envp[i++] = scratch; - length += scnprintf (scratch, buffer_size - length, "PCI_ID=%04X:%04X", - pdev->vendor, pdev->device); - if ((buffer_size - length <= 0) || (i >= num_envp)) + if (add_hotplug_env_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PCI_ID=%04X:%04X", pdev->vendor, pdev->device)) return -ENOMEM; - ++length; - scratch += length; - envp[i++] = scratch; - length += scnprintf (scratch, buffer_size - length, - "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor, - pdev->subsystem_device); - if ((buffer_size - length <= 0) || (i >= num_envp)) + if (add_hotplug_env_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor, + pdev->subsystem_device)) return -ENOMEM; - ++length; - scratch += length; - envp[i++] = scratch; - length += scnprintf (scratch, buffer_size - length, "PCI_SLOT_NAME=%s", - pci_name(pdev)); - if ((buffer_size - length <= 0) || (i >= num_envp)) + if (add_hotplug_env_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PCI_SLOT_NAME=%s", pci_name(pdev))) return -ENOMEM; - envp[i++] = scratch; - length += scnprintf (scratch, buffer_size - length, - "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x", - pdev->vendor, pdev->device, - pdev->subsystem_vendor, pdev->subsystem_device, - (u8)(pdev->class >> 16), (u8)(pdev->class >> 8), - (u8)(pdev->class)); - if ((buffer_size - length <= 0) || (i >= num_envp)) + if (add_hotplug_env_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x", + pdev->vendor, pdev->device, + pdev->subsystem_vendor, pdev->subsystem_device, + (u8)(pdev->class >> 16), (u8)(pdev->class >> 8), + (u8)(pdev->class))) return -ENOMEM; envp[i] = NULL; |