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From fc9d7a3891dc293cccd4e127cfb1e2355f4e93da Mon Sep 17 00:00:00 2001
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From: Tom Gundersen <teg@jklm.no>
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Date: Fri, 13 Mar 2015 15:49:07 +0100
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Subject: [PATCH] sd-rtnl: never set serial to 0
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In the unlikely event that we wrap the counter, skip 0 as this is used
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for broadcasts.
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Suggested by Richard Maw.
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(cherry picked from commit 913b0eef1a01e0c78f0453b0174e75d5caae1023)
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---
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src/libsystemd/sd-rtnl/sd-rtnl.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/libsystemd/sd-rtnl/sd-rtnl.c b/src/libsystemd/sd-rtnl/sd-rtnl.c
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index 7cdcc5d96a..5df39e1177 100644
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--- a/src/libsystemd/sd-rtnl/sd-rtnl.c
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+++ b/src/libsystemd/sd-rtnl/sd-rtnl.c
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@@ -262,7 +262,7 @@ static void rtnl_seal_message(sd_rtnl *rtnl, sd_rtnl_message *m) {
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assert(m);
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assert(m->hdr);
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- m->hdr->nlmsg_seq = rtnl->serial++;
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+ m->hdr->nlmsg_seq = rtnl->serial++ ? : rtnl->serial++;
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rtnl_message_seal(m);
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