vmd(8): remove unused variable from vionet_notify_tx.

num_enq was assigned and incremented, but never used. clang started
pointing out via warnings. No functional change.

diff --git a/usr.sbin/vmd/vionet.c b/usr.sbin/vmd/vionet.c
index 740296a..810adde 100644 (file)
--- a/usr.sbin/vmd/vionet.c
+++ b/usr.sbin/vmd/vionet.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: vionet.c,v 1.6 2023/09/26 01:53:54 dv Exp $   */
+/*     $OpenBSD: vionet.c,v 1.7 2024/01/03 03:14:16 dv Exp $   */
 
 /*
  * Copyright (c) 2023 Dave Voutila <dv@openbsd.org>
@@ -506,7 +506,7 @@ vionet_notify_tx(struct virtio_dev *dev)
        uint16_t idx, pkt_desc_idx, hdr_desc_idx, dxx, cnt;
        size_t pktsz, chunk_size = 0;
        ssize_t dhcpsz = 0;
-       int num_enq, ofs, spc = 0;
+       int ofs, spc = 0;
        char *vr = NULL, *pkt = NULL, *dhcppkt = NULL;
        struct vionet_dev *vionet = &dev->vionet;
        struct vring_desc *desc, *pkt_desc, *hdr_desc;
@@ -531,8 +531,6 @@ vionet_notify_tx(struct virtio_dev *dev)
        avail = (struct vring_avail *)(vr + vq_info->vq_availoffset);
        used = (struct vring_used *)(vr + vq_info->vq_usedoffset);
 
-       num_enq = 0;
-
        idx = vq_info->last_avail & VIONET_QUEUE_MASK;
 
        if ((avail->idx & VIONET_QUEUE_MASK) == idx)
@@ -662,8 +660,6 @@ vionet_notify_tx(struct virtio_dev *dev)
                vq_info->last_avail = avail->idx & VIONET_QUEUE_MASK;
                idx = (idx + 1) & VIONET_QUEUE_MASK;
 
-               num_enq++;
-
                free(pkt);
                pkt = NULL;
        }