systemd/0723-udev-do-not-try-to-reassign-alternative-names.patch

47 lines
1.9 KiB
Diff

From aec8473f69877c353b9e788b2a7329e290ae14f9 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 17 Jul 2020 21:36:05 +0900
Subject: [PATCH] udev: do not try to reassign alternative names
Setting alternative names may fail if some of them are already assigned.
(cherry picked from commit 97fdae33dfe8e7e0a4e5230564f6cdebc4450eec)
Related: #2005008
---
src/udev/net/link-config.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index 8bd374d352..5220f247f0 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -350,7 +350,7 @@ static int get_mac(struct udev_device *device, bool want_random,
int link_config_apply(link_config_ctx *ctx, link_config *config,
struct udev_device *device, const char **name) {
- _cleanup_strv_free_ char **altnames = NULL;
+ _cleanup_strv_free_ char **altnames = NULL, **current_altnames = NULL;
bool respect_predictable = false;
struct ether_addr generated_mac;
struct ether_addr *mac = NULL;
@@ -514,9 +514,17 @@ int link_config_apply(link_config_ctx *ctx, link_config *config,
if (new_name)
strv_remove(altnames, new_name);
strv_remove(altnames, old_name);
+
+ r = rtnl_get_link_alternative_names(&ctx->rtnl, ifindex, &current_altnames);
+ if (r < 0)
+ log_debug_errno(r, "Failed to get alternative names on %s, ignoring: %m", old_name);
+
+ char **p;
+ STRV_FOREACH(p, current_altnames)
+ strv_remove(altnames, *p);
+
strv_uniq(altnames);
strv_sort(altnames);
-
r = rtnl_set_link_alternative_names(&ctx->rtnl, ifindex, altnames);
if (r == -EOPNOTSUPP)
log_debug_errno(r, "Could not set AlternativeName= or apply AlternativeNamesPolicy= on %s, ignoring: %m", old_name);