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sd-ndisc: make the _stop() call idempotent

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It's a good idea to make stopcalls idempotent, so that they become nops if the
object is already stopped.
This commit is contained in:
Lennart Poettering 2016-05-23 16:27:59 +02:00
parent a114066685
commit c1c9b211e3
1 changed files with 4 additions and 3 deletions
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7
src/libsystemd-network/sd-ndisc.c
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@ -651,12 +651,13 @@ static int ndisc_router_solicitation_timeout(sd_event_source *s, uint64_t usec,
int sd_ndisc_stop(sd_ndisc *nd) {
assert_return(nd, -EINVAL);
assert_return(nd->event, -EINVAL);
log_ndisc(client, "Stop NDisc");
if (nd->state == NDISC_STATE_IDLE)
return 0;
log_ndisc(client, "Stopping IPv6 Router Solicitation client");
ndisc_reset(nd);
nd->state = NDISC_STATE_IDLE;
if (nd->callback)