[PATCH] Add symlink only rules support

[elogind.git] / namedev.c

diff --git a/namedev.c b/namedev.c
index 581a7f2218ca08973d90bef696ba45d1132f2a36..c9232fa2aa66705edf3f0e86737e88716f1f6f12 100644 (file)
--- a/namedev.c
+++ b/namedev.c
@@ -816,17 +816,31 @@ int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *ud
        list_for_each_entry(dev, &config_device_list, node) {
                dbg("process rule");
                if (match_rule(dev, class_dev, udev, sysfs_device) == 0) {
-                       if (dev->name[0] == '\0') {
+                       if (dev->name[0] == '\0' && dev->symlink[0] == '\0') {
                                info("configured rule in '%s' at line %i applied, '%s' is ignored",
                                     udev_rules_filename, dev->config_line, udev->kernel_name);
                                return -1;
                        }
 
-                       info("configured rule in '%s' at line %i applied, '%s' becomes '%s'",
-                            udev_rules_filename, dev->config_line, udev->kernel_name, dev->name);
-                       strfieldcpy(udev->name, dev->name);
-                       strfieldcpy(udev->symlink, dev->symlink);
-                       goto found;
+                       if (dev->symlink[0] != '\0') {
+                               char temp[NAME_MAX];
+
+                               info("configured rule in '%s' at line %i applied, added symlink '%s'",
+                                    udev_rules_filename, dev->config_line, dev->symlink);
+                               /* do not clobber dev */
+                               strfieldcpy(temp, dev->symlink);
+                               apply_format(udev, temp, sizeof(temp),
+                                            class_dev, sysfs_device);
+                               strfieldcat(udev->symlink, temp);
+                               strfieldcat(udev->symlink, " ");
+                       }
+
+                       if (dev->name[0] != '\0') {
+                               info("configured rule in '%s' at line %i applied, '%s' becomes '%s'",
+                                    udev_rules_filename, dev->config_line, udev->kernel_name, dev->name);
+                               strfieldcpy(udev->name, dev->name);
+                               goto found;
+                       }
                }
        }
 
@@ -838,8 +852,6 @@ found:
        /* substitute placeholder */
        apply_format(udev, udev->name, sizeof(udev->name),
                     class_dev, sysfs_device);
-       apply_format(udev, udev->symlink, sizeof(udev->symlink),
-                    class_dev, sysfs_device);
        udev->partitions = dev->partitions;
 done:
        perm = find_perm(udev->name);