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);