[Xen-changelog] This patch provides a workaround for bugzilla #90 which shows up far too

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 1895942150a57e2abaa07effcce870fed8186fb7
# Parent  e355ae38c83b1d83cc618a105854fb29b5145275
This patch provides a workaround for bugzilla #90 which shows up far too
often when creating and then destroying lots of domUs and dom0 is SMP.
Details are in the [1]bug.  With this patch, I now can create/destroy
domains in a tight loop for hours where previously every 3 to 10 cycles
would blow up.

1. http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=90

Signed-off-by: Ryan Harper <ryanh@xxxxxxxxxx>

diff -r e355ae38c83b -r 1895942150a5 
patches/linux-2.6.12/workaround_double_br_del_if.patch
--- /dev/null   Fri Aug 19 02:41:16 2005
+++ b/patches/linux-2.6.12/workaround_double_br_del_if.patch    Fri Aug 19 
08:55:03 2005
@@ -0,0 +1,11 @@
+--- linux-2.6.12/net/bridge/br_if.c    2005-06-17 14:48:29.000000000 -0500
++++ linux-2.6.12-xen0-smp/net/bridge/br_if.c   2005-08-18 15:17:27.302615846 
-0500
+@@ -382,7 +382,7 @@
+ {
+       struct net_bridge_port *p = dev->br_port;
+       
+-      if (!p || p->br != br) 
++      if (!p || p->br != br || p->state == BR_STATE_DISABLED)
+               return -EINVAL;
+ 
+       br_sysfs_removeif(p);

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