[NET] front: Turn grant-ref error into a fatal bug. That's the best we

can do until we have a backend driver recovery method.
Signed-off-by: Keir Fraser <keir@xensource.com>

diff --git a/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c b/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c
index 7d56adede99d9e7ab30ea959501cd332a57f19ab..fec3a4ea4ae0e32015c2fbe64829a059e4893408 100644 (file)
--- a/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c
+++ b/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c
@@ -499,7 +499,7 @@ static void network_tx_buf_gc(struct net_device *dev)
                                printk(KERN_ALERT "network_tx_buf_gc: warning "
                                       "-- grant still in use by backend "
                                       "domain.\n");
-                               break; /* bail immediately */
+                               BUG();
                        }
                        gnttab_end_foreign_access_ref(
                                np->grant_tx_ref[id], GNTMAP_readonly);