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smbXsrv_client: make sure we only wait for smb2srv_client_mc_negprot_filter once and only when needed

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This will simplify the following changes...

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15200

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
(cherry picked from commit 8c8d8cf01e01c2726d03fa1c81e0ce9992ee736c)
This commit is contained in:
Stefan Metzmacher 2022-10-12 14:15:53 +02:00 committed by Jule Anger
parent fd4c80fcc6
commit 4a44febbc4
1 changed files with 6 additions and 0 deletions
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6
source3/smbd/smbXsrv_client.c
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@ -471,6 +471,7 @@ struct smb2srv_client_mc_negprot_state {
struct db_record *db_rec;
uint64_t watch_instance;
uint32_t last_seqnum;
struct tevent_req *filter_subreq;
};
static void smb2srv_client_mc_negprot_cleanup(struct tevent_req *req,
@ -534,6 +535,7 @@ static void smb2srv_client_mc_negprot_next(struct tevent_req *req)
NTSTATUS status;
uint32_t seqnum = 0;
TALLOC_FREE(state->filter_subreq);
SMB_ASSERT(state->db_rec == NULL);
state->db_rec = smbXsrv_client_global_fetch_locked(table->global.db_ctx,
&client_guid,
@ -610,6 +612,7 @@ static void smb2srv_client_mc_negprot_next(struct tevent_req *req)
return;
}
tevent_req_set_callback(subreq, smb2srv_client_mc_negprot_done, req);
state->filter_subreq = subreq;
}
if (procid_is_local(&global->server_id)) {
@ -692,6 +695,9 @@ static void smb2srv_client_mc_negprot_done(struct tevent_req *subreq)
NTSTATUS status;
int ret;
SMB_ASSERT(state->filter_subreq == subreq);
state->filter_subreq = NULL;
ret = messaging_filtered_read_recv(subreq, state, &rec);
TALLOC_FREE(subreq);
if (ret != 0) {