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From fc9d7a3891dc293cccd4e127cfb1e2355f4e93da Mon Sep 17 00:00:00 2001
From: Tom Gundersen <teg@jklm.no>
Date: Fri, 13 Mar 2015 15:49:07 +0100
Subject: [PATCH] sd-rtnl: never set serial to 0
In the unlikely event that we wrap the counter, skip 0 as this is used
for broadcasts.
Suggested by Richard Maw.
(cherry picked from commit 913b0eef1a01e0c78f0453b0174e75d5caae1023)
---
src/libsystemd/sd-rtnl/sd-rtnl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/libsystemd/sd-rtnl/sd-rtnl.c b/src/libsystemd/sd-rtnl/sd-rtnl.c
index 7cdcc5d96..5df39e117 100644
--- a/src/libsystemd/sd-rtnl/sd-rtnl.c
+++ b/src/libsystemd/sd-rtnl/sd-rtnl.c
@@ -262,7 +262,7 @@ static void rtnl_seal_message(sd_rtnl *rtnl, sd_rtnl_message *m) {
assert(m);
assert(m->hdr);
- m->hdr->nlmsg_seq = rtnl->serial++;
+ m->hdr->nlmsg_seq = rtnl->serial++ ? : rtnl->serial++;
rtnl_message_seal(m);