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MINOR: protocol: always initialize the receivers list on registration

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Till now, protocols were required to self-initialize their receivers
list head, which is not very convenient, and is quite error prone.
Indeed, it's too easy to copy-paste a protocol definition and forget
to update the .receivers field to point to itself, resulting in mixed
lists. Let's just do that in protocol_register(). And while we're at
it, let's also zero the nb_receivers entry that works with it, so that
the protocol definition isn't required to pre-initialize stuff related
to internal book-keeping.
This commit is contained in:
Willy Tarreau 2024-08-09 21:32:29 +02:00
parent 034974106f
commit 1cb3b0b745
1 changed files with 3 additions and 0 deletions
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src/protocol.c
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@ -44,6 +44,9 @@ void protocol_register(struct protocol *proto)
BUG_ON(sock_family < 0 || sock_family >= AF_CUST_MAX);
BUG_ON(proto->proto_type >= PROTO_NUM_TYPES);
LIST_INIT(&proto->receivers);
proto->nb_receivers = 0;
HA_SPIN_LOCK(PROTO_LOCK, &proto_lock);
LIST_APPEND(&protocols, &proto->list);
__protocol_by_family[sock_family]