Clarify panic strings in vio(4)

suggested by bluhm
ok bluhm

diff --git a/sys/dev/pv/if_vio.c b/sys/dev/pv/if_vio.c
index 9451796..82e52c4 100644 (file)
--- a/sys/dev/pv/if_vio.c
+++ b/sys/dev/pv/if_vio.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_vio.c,v 1.38 2024/06/09 16:25:28 jan Exp $ */
+/*     $OpenBSD: if_vio.c,v 1.39 2024/06/10 18:21:59 jan Exp $ */
 
 /*
  * Copyright (c) 2012 Stefan Fritsch, Alexander Fiveg.
@@ -844,7 +844,8 @@ again:
                        break;
                }
                if (r != 0)
-                       panic("enqueue_prep for a tx buffer: %d", r);
+                       panic("%s: enqueue_prep for tx buffer: %d",
+                           sc->sc_dev.dv_xname, r);
 
                hdr = &sc->sc_tx_hdrs[slot];
                memset(hdr, 0, sc->sc_hdr_size);
@@ -1025,7 +1026,8 @@ vio_populate_rx_mbufs(struct vio_softc *sc)
                if (r == EAGAIN)
                        break;
                if (r != 0)
-                       panic("enqueue_prep for rx buffers: %d", r);
+                       panic("%s: enqueue_prep for rx buffer: %d",
+                           sc->sc_dev.dv_xname, r);
                if (sc->sc_rx_mbufs[slot] == NULL) {
                        r = vio_add_rx_mbuf(sc, slot);
                        if (r != 0) {
@@ -1341,10 +1343,12 @@ vio_ctrl_rx(struct vio_softc *sc, int cmd, int onoff)
 
        r = virtio_enqueue_prep(vq, &slot);
        if (r != 0)
-               panic("%s: control vq busy!?", sc->sc_dev.dv_xname);
+               panic("%s: %s virtio_enqueue_prep: control vq busy",
+                   sc->sc_dev.dv_xname, __func__);
        r = virtio_enqueue_reserve(vq, slot, 3);
        if (r != 0)
-               panic("%s: control vq busy!?", sc->sc_dev.dv_xname);
+               panic("%s: %s virtio_enqueue_reserve: control vq busy",
+                   sc->sc_dev.dv_xname, __func__);
        VIO_DMAMEM_ENQUEUE(sc, vq, slot, sc->sc_ctrl_cmd,
            sizeof(*sc->sc_ctrl_cmd), 1);
        VIO_DMAMEM_ENQUEUE(sc, vq, slot, sc->sc_ctrl_rx,
@@ -1463,10 +1467,12 @@ vio_set_rx_filter(struct vio_softc *sc)
 
        r = virtio_enqueue_prep(vq, &slot);
        if (r != 0)
-               panic("%s: control vq busy!?", sc->sc_dev.dv_xname);
+               panic("%s: %s virtio_enqueue_prep: control vq busy",
+                   sc->sc_dev.dv_xname, __func__);
        r = virtio_enqueue_reserve(vq, slot, 4);
        if (r != 0)
-               panic("%s: control vq busy!?", sc->sc_dev.dv_xname);
+               panic("%s: %s virtio_enqueue_reserve: control vq busy",
+                   sc->sc_dev.dv_xname, __func__);
        VIO_DMAMEM_ENQUEUE(sc, vq, slot, sc->sc_ctrl_cmd,
            sizeof(*sc->sc_ctrl_cmd), 1);
        VIO_DMAMEM_ENQUEUE(sc, vq, slot, sc->sc_ctrl_mac_tbl_uc,