sd-rtnl: improve detection of broadcast messages

[elogind.git] / src / libsystemd / sd-rtnl / sd-rtnl.c

diff --git a/src/libsystemd/sd-rtnl/sd-rtnl.c b/src/libsystemd/sd-rtnl/sd-rtnl.c
index f483af991bc2f8e46861c77641703047d06249bb..c7a36b9efbcbf68252dd89f54efa1a289ccb2004 100644 (file)
--- a/src/libsystemd/sd-rtnl/sd-rtnl.c
+++ b/src/libsystemd/sd-rtnl/sd-rtnl.c
@@ -262,6 +262,8 @@ static void rtnl_seal_message(sd_rtnl *rtnl, sd_rtnl_message *m) {
         assert(m);
         assert(m->hdr);
 
+        /* don't use seq == 0, as that is used for broadcasts, so we
+           would get confused by replies to such messages */
         m->hdr->nlmsg_seq = rtnl->serial++ ? : rtnl->serial++;
 
         rtnl_message_seal(m);