X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Fudev-event.c;h=93a65e7352602b27d3a993a1e62d3516ffb9f40a;hp=27bb5eb79ac545e6f60fdc29bf2f83752f3e436e;hb=58d882a6d7f1374e97cf96e140b4fbede7f8e714;hpb=adea2cc22b8b3d645ce2bf5eeef7a08980cc750c

diff --git a/udev/udev-event.c b/udev/udev-event.c
index 27bb5eb79..93a65e735 100644
--- a/udev/udev-event.c
+++ b/udev/udev-event.c
@@ -231,8 +231,9 @@ found:
 			break;
 		case SUBST_DRIVER:
 			if (event->dev_parent != NULL) {
-				const char *driver = udev_device_get_driver(event->dev_parent);
+				const char *driver;
 
+				driver = udev_device_get_driver(event->dev_parent);
 				if (driver == NULL)
 					break;
 				util_strlcat(string, driver, maxsize);
@@ -398,6 +399,8 @@ found:
 				struct udev_list_entry *list_entry;
 
 				list_entry = udev_device_get_devlinks_list_entry(dev);
+				if (list_entry == NULL)
+					break;
 				util_strlcat(string, &udev_list_entry_get_name(list_entry)[devlen], maxsize);
 				udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) {
 					util_strlcat(string, " ", maxsize);
@@ -426,6 +429,8 @@ found:
 				if (list_entry == NULL)
 					break;
 				value = udev_list_entry_get_value(list_entry);
+				if (value == NULL)
+					break;
 				dbg(event->udev, "substitute env '%s=%s'\n", attr, value);
 				util_strlcat(string, value, maxsize);
 				break;
@@ -509,7 +514,7 @@ static int rename_netif(struct udev_event *event)
 
 		/* wait 30 seconds for our target to become available */
 		util_strlcpy(ifr.ifr_name, ifr.ifr_newname, IFNAMSIZ);
-		util_strlcpy(ifr.ifr_newname, udev_device_get_devnode(dev), IFNAMSIZ);
+		util_strlcpy(ifr.ifr_newname, event->name, IFNAMSIZ);
 		loop = 30 * 20;
 		while (loop--) {
 			err = ioctl(sk, SIOCSIFNAME, &ifr);
@@ -524,7 +529,7 @@ static int rename_netif(struct udev_event *event)
 				break;
 			}
 			dbg(event->udev, "wait for netif '%s' to become free, loop=%i\n",
-			    udev_device_get_devnode(dev), (30 * 20) - loop);
+			    event->name, (30 * 20) - loop);
 			usleep(1000 * 1000 / 20);
 		}
 	}
@@ -606,6 +611,7 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules)
 	/* add netif */
 	if (strcmp(udev_device_get_subsystem(dev), "net") == 0 && strcmp(udev_device_get_action(dev), "add") == 0) {
 		dbg(event->udev, "netif add '%s'\n", udev_device_get_devpath(dev));
+		udev_device_delete_db(dev);
 
 		udev_rules_apply_to_event(rules, event);
 		if (event->ignore_device) {
@@ -639,6 +645,7 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules)
 				info(event->udev, "changed devpath to '%s'\n", udev_device_get_devpath(dev));
 			}
 		}
+		udev_device_update_db(dev);
 		goto exit;
 	}
 
@@ -679,6 +686,11 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules)
 	udev_rules_apply_to_event(rules, event);
 	if (event->ignore_device)
 		info(event->udev, "device event will be ignored\n");
+
+	if (strcmp(udev_device_get_action(dev), "remove") != 0)
+		udev_device_update_db(dev);
+	else
+		udev_device_delete_db(dev);
 exit:
 	return err;
 }