[Xen-changelog] [xen-3.0-testing] [NET] front: Turn grant-ref error into a fatal bug. That's the best we

[Xen patchbot-3.0-testing <patchbot-3.0-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID ecae09fda29a9fc08059984b12259e1811a1444b
# Parent  ec8c43c9533249e4af781089b1d0423a20ad26c9
[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@xxxxxxxxxxxxx>
xen-unstable changeset:   10275:3913a119477de17cf123991c113828437d7ba471
xen-unstable date:        Tue Jun 06 08:21:31 2006 +0100
---
 linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c |    3 +--
 1 files changed, 1 insertion(+), 2 deletions(-)

diff -r ec8c43c95332 -r ecae09fda29a 
linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c
--- a/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c      Tue Jun 06 
08:17:49 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c      Tue Jun 06 
08:23:49 2006 +0100
@@ -478,7 +478,7 @@ static void network_tx_buf_gc(struct net
                                printk(KERN_ALERT "network_tx_buf_gc: warning "
                                       "-- grant still in use by backend "
                                       "domain.\n");
-                               goto out;
+                               BUG();
                        }
                        gnttab_end_foreign_access_ref(
                                np->grant_tx_ref[id], GNTMAP_readonly);
@@ -504,7 +504,6 @@ static void network_tx_buf_gc(struct net
                mb();
        } while (prod != np->tx.sring->rsp_prod);
 
- out:
        if (np->tx_full &&
            ((np->tx.sring->req_prod - prod) < NET_TX_RING_SIZE)) {
                np->tx_full = 0;

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