From: Lei Xia <lxia@northwestern.edu>
Date: Mon, 30 Apr 2012 17:00:18 +0000 (-0500)
Subject: Fix lock/unlock bug in virtio nic
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=b1bfd7d02a140a04e1d9fa7831dc0ed6b3440d12;p=palacios.releases.git

Fix lock/unlock bug in virtio nic
---

diff --git a/palacios/src/devices/lnx_virtio_nic.c b/palacios/src/devices/lnx_virtio_nic.c
index 7f217ae..3c620b9 100644
--- a/palacios/src/devices/lnx_virtio_nic.c
+++ b/palacios/src/devices/lnx_virtio_nic.c
@@ -286,6 +286,7 @@ static int handle_pkt_tx(struct guest_info * core,
 	if(q->cur_avail_idx == q->avail->index ||
 	    (quote > 0 && txed >= quote)) {
 	    left = (q->cur_avail_idx != q->avail->index);
+	    v3_unlock_irqrestore(virtio_state->tx_lock, flags);
 	    break;
 	}
 	
@@ -321,8 +322,6 @@ static int handle_pkt_tx(struct guest_info * core,
 	q->used->ring[q->used->index % q->queue_size].id = 
 	    q->avail->ring[tmp_idx % q->queue_size];
 	
-	//q->used->ring[q->used->index % q->queue_size].length = buf_desc->length; /* What do we set this to???? */
-	
 	q->used->index ++;
 	
 	v3_unlock_irqrestore(virtio_state->tx_lock, flags);