From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 9 Sep 2024 18:01:14 +0000 (+0900)
Subject: network/vxcan: refuse when peer and the main interface names are equivalent
X-Git-Tag: v257-rc1~499^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=971c0ce85c558bfb85ef04550b6e95b52e4b5b82;p=thirdparty%2Fsystemd.git

network/vxcan: refuse when peer and the main interface names are equivalent
---

diff --git a/src/network/netdev/vxcan.c b/src/network/netdev/vxcan.c
index c0343f45b62..c129d24734f 100644
--- a/src/network/netdev/vxcan.c
+++ b/src/network/netdev/vxcan.c
@@ -38,6 +38,10 @@ static int netdev_vxcan_verify(NetDev *netdev, const char *filename) {
                 return log_netdev_warning_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
                                                 "VxCan NetDev without peer name configured in %s. Ignoring", filename);
 
+        if (streq(v->ifname_peer, netdev->ifname))
+                return log_netdev_warning_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
+                                                "VxCan peer name cannot be the same as the main interface name.");
+
         return 0;
 }