[PATCH] PCI: add MODALIAS to hotplug event for pci devices

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/pci/hotplug.c b/drivers/pci/hotplug.c
index 6a1a976c4bff..3903f8c559b6 100644
--- a/drivers/pci/hotplug.c
+++ b/drivers/pci/hotplug.c
@@ -52,6 +52,16 @@ int pci_hotplug (struct device *dev, char **envp, int num_envp,
         if ((buffer_size - length <= 0) || (i >= num_envp))
                 return -ENOMEM;
 
+        envp[i++] = scratch;
+        length += scnprintf (scratch, buffer_size - length,
+                            "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x\n",
+                            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))
+                return -ENOMEM;
+
         envp[i] = NULL;
 
         return 0;