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routing: Do not set an empty channel_announcement if none is given 

Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2017-12-04 17:46:50 +01:00 committed by Rusty Russell
parent 4a51de44c0
commit a0724f45af
1 changed files with 5 additions and 3 deletions
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8
gossipd/routing.c
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@ -424,9 +424,11 @@ static bool add_channel_direction(struct routing_state *rstate,
c = half_add_connection(rstate, from, to, short_channel_id, direction);
/* Remember the announcement so we can forward it to new peers */
tal_free(c->channel_announcement);
c->channel_announcement = tal_dup_arr(c, u8, announcement,
tal_count(announcement), 0);
if (announcement) {
tal_free(c->channel_announcement);
c->channel_announcement = tal_dup_arr(c, u8, announcement,
tal_count(announcement), 0);
}
return true;
}