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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
for broadcasts.

Suggested by Richard Maw.
This commit is contained in:
Tom Gundersen 2015-03-13 15:49:07 +01:00
parent 15411c0cb1
commit 913b0eef1a
1 changed files with 1 additions and 1 deletions
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2
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) {
assert(m);
assert(m->hdr);
m->hdr->nlmsg_seq = rtnl->serial++;
m->hdr->nlmsg_seq = rtnl->serial++ ? : rtnl->serial++;
rtnl_message_seal(m);