From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Fri, 12 Mar 2010 01:10:50 +0000 (-0600)
Subject: virtio overflow fix
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=18ff442f1ddb03f4371550ca74a96f834e13457c;p=palacios.git

virtio overflow fix
---

diff --git a/palacios/src/devices/lnx_virtio_blk.c b/palacios/src/devices/lnx_virtio_blk.c
index de77354..989459a 100644
--- a/palacios/src/devices/lnx_virtio_blk.c
+++ b/palacios/src/devices/lnx_virtio_blk.c
@@ -215,7 +215,7 @@ static int handle_kick(struct guest_info * core, struct virtio_blk_state * blk_s
     PrintDebug("VIRTIO KICK: cur_index=%d (mod=%d), avail_index=%d\n", 
 	       q->cur_avail_idx, q->cur_avail_idx % QUEUE_SIZE, q->avail->index);
 
-    while (q->cur_avail_idx < q->avail->index) {
+    while (q->cur_avail_idx != q->avail->index) {
 	struct vring_desc * hdr_desc = NULL;
 	struct vring_desc * buf_desc = NULL;
 	struct vring_desc * status_desc = NULL;