#include <linux/kernel.h>#include <linux/pci.h>#include <linux/module.h>#include "pci.h" int pci_uevent(struct device *dev, char **envp, int num_envp,	       char *buffer, int buffer_size){	struct pci_dev *pdev;	int i = 0;	int length = 0; 	if (!dev)		return -ENODEV; 	pdev = to_pci_dev(dev);	if (!pdev)		return -ENODEV; 	if (add_uevent_var(envp, num_envp, &i,			   buffer, buffer_size, &length,			   "PCI_CLASS=%04X", pdev->class))		return -ENOMEM; 	if (add_uevent_var(envp, num_envp, &i,			   buffer, buffer_size, &length,			   "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))		return -ENOMEM; 	if (add_uevent_var(envp, num_envp, &i,			   buffer, buffer_size, &length,			   "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,			   pdev->subsystem_device))		return -ENOMEM; 	if (add_uevent_var(envp, num_envp, &i,			   buffer, buffer_size, &length,			   "PCI_SLOT_NAME=%s", pci_name(pdev)))		return -ENOMEM; 	if (add_uevent_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; 	return 0;}