[sr-dev] [kamailio/kamailio] dmq_usrloc: fix deadlock (#911)

[Julien Chavanton]

jchavanton commented on this pull request.



> @@ -72,6 +70,7 @@ static int add_contact(str aor, ucontact_info_t* ci)
 		// Search by ruid, if possible
 		res = dmq_ul.get_urecord_by_ruid(_d, dmq_ul.get_aorhash(&aor), &ci->ruid, &r, &c);

`get_urecord_by_ruid` was also acquiring the domain lock, this is why we must do `lock_udomain` only after it returns

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