fix use of uninitialized variable m in qwx_dp_rx_reap_mon_status_ring()

Found by jsg@

diff --git a/sys/dev/ic/qwx.c b/sys/dev/ic/qwx.c
index 6d45277..4034a7c 100644 (file)
--- a/sys/dev/ic/qwx.c
+++ b/sys/dev/ic/qwx.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: qwx.c,v 1.21 2024/02/08 11:13:01 stsp Exp $   */
+/*     $OpenBSD: qwx.c,v 1.22 2024/02/08 11:16:49 stsp Exp $   */
 
 /*
  * Copyright 2023 Stefan Sperling <stsp@openbsd.org>
@@ -15498,9 +15498,9 @@ qwx_dp_rx_reap_mon_status_ring(struct qwx_softc *sc, int mac_id,
                        }
 
                        bus_dmamap_sync(sc->sc_dmat, rx_data->map, 0,
-                           m->m_pkthdr.len, BUS_DMASYNC_POSTREAD);
+                           rx_data->m->m_pkthdr.len, BUS_DMASYNC_POSTREAD);
 
-                       tlv = mtod(m, struct hal_tlv_hdr *);
+                       tlv = mtod(rx_data->m, struct hal_tlv_hdr *);
                        if (FIELD_GET(HAL_TLV_HDR_TAG, tlv->tl) !=
                                        HAL_RX_STATUS_BUFFER_DONE) {
                                printf("%s: mon status DONE not set %lx, "