udev: net_id - read ACPI _SUN -- slot user number

[elogind.git] / src / udev / udev-builtin-net_id.c

diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c
index 72237bf31a1e0ea81f08d3b9e65fc23eaa8418aa..10faec63f679c634580b9b3ab5dafdb7e5fa3914 100644 (file)
--- a/src/udev/udev-builtin-net_id.c
+++ b/src/udev/udev-builtin-net_id.c
@@ -50,8 +50,11 @@ static int dev_pci(struct udev_device *dev, const char *prefix, bool test) {
         if (!d || !streq("pci", udev_device_get_subsystem(d)))
                 return -ENOENT;
 
-        /* find SMBIOS type 41 entries for on-board devices */
-        index = udev_device_get_sysattr_value(d, "index");
+        /* ACPI _SUN  -- slot user number */
+        index = udev_device_get_sysattr_value(d, "acpi_index");
+        /* SMBIOS type 41 -- Onboard Devices Extended Information */
+        if (!index)
+                index = udev_device_get_sysattr_value(d, "index");
         if (index) {
                 unsigned int idx;