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[Xen-devel] [PATCH] qemu-xen: ignore console disconnect events from console/0

qemu-xen: ignore console disconnect events for console/0

The first console has a different location compared to other PV devices
(console, rather than device/console/0) and doesn't obey the xenstore
state protocol. We already special case the first console in con_init
and con_initialise, we should also do it in con_disconnect.

This patch should be applied to 4.1 too.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

diff --git a/hw/xen_console.c b/hw/xen_console.c
index 0a2374c..f036b8d 100644
--- a/hw/xen_console.c
+++ b/hw/xen_console.c
@@ -253,6 +253,8 @@ static void con_disconnect(struct XenDevice *xendev)
     struct XenConsole *con = container_of(xendev, struct XenConsole, xendev);
+    if (!xendev->dev)
+        return;
     if (con->chr)
         qemu_chr_add_handlers(con->chr, NULL, NULL, NULL, NULL);

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