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s4/messaging: do not deref NULL state (CID 1437973)
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
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@ -578,6 +578,10 @@ static void imessaging_post_handler(struct tevent_context *ev,
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struct imessaging_post_state *state = talloc_get_type_abort(
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private_data, struct imessaging_post_state);
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if (state == NULL) {
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return;
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}
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/*
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* In usecases like using messaging_client_init() with irpc processing
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* we may free the imessaging_context during the messaging handler.
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@ -594,10 +598,6 @@ static void imessaging_post_handler(struct tevent_context *ev,
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imessaging_dgm_recv(ev, state->buf, state->buf_len, NULL, 0,
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state->msg_ctx);
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if (state == NULL) {
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return;
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}
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state->busy_ref = NULL;
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TALLOC_FREE(state);
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}
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