Message ID | 1457423564-9724-2-git-send-email-jasowang@redhat.com |
---|---|
State | New |
Headers | show |
diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c index e408083..f0feaf9 100644 --- a/hw/net/ne2000.c +++ b/hw/net/ne2000.c @@ -155,6 +155,10 @@ static int ne2000_buffer_full(NE2000State *s) { int avail, index, boundary; + if (s->stop <= s->start) { + return 1; + } + index = s->curpag << 8; boundary = s->boundary << 8; if (index < boundary)