fix segfault on con_disconnect

The test on xendev->gnttabdev in con_disconnect is wrong: what
differentiates the consoles is the dev number.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

diff --git a/hw/xen_console.c b/hw/xen_console.c
index d7099c4e389afde8d855e10719979fd9246c8c44..0a2374c8dc16af402abcf9dfab7392db6e9c9ad9 100644 (file)
--- a/hw/xen_console.c
+++ b/hw/xen_console.c
@@ -258,7 +258,7 @@ static void con_disconnect(struct XenDevice *xendev)
     xen_be_unbind_evtchn(&con->xendev);
 
     if (con->sring) {
-        if (!xendev->gnttabdev)
+        if (!xendev->dev)
            munmap(con->sring, XC_PAGE_SIZE);
         else
             xc_gnttab_munmap(xendev->gnttabdev, con->sring, 1);