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[Xen-devel] [PATCH] Prevent frontend network accelerator plugin loading
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] [PATCH] Prevent frontend network accelerator plugin loading in dom0 |
| From: | Kieran Mansley <kmansley@xxxxxxxxxxxxxx> |
| Date: | Fri, 08 Feb 2008 14:30:26 +0000 |
| Delivery-date: | Fri, 08 Feb 2008 06:30:57 -0800 |
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| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
Generate error if frontend plugin tries to connect on dom0
diff -r bb5ece87256b drivers/xen/netfront/accel.c
--- a/drivers/xen/netfront/accel.c
+++ b/drivers/xen/netfront/accel.c
@@ -446,6 +446,9 @@ int netfront_accelerator_loaded(int vers
{
struct netfront_accelerator *accelerator;
+ if (is_initial_xendomain())
+ return -EINVAL;
+
if (version != NETFRONT_ACCEL_VERSION) {
if (version > NETFRONT_ACCEL_VERSION) {
/* Caller has higher version number, leave it
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