For consistency with all other invalid domid handling.
Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
---
CC: Jan Beulich <jbeul...@suse.com>
CC: George Dunlap <george.dun...@eu.citrix.com>
A positive effect this will have is causing Linux to break early from
batched foreign mappings, rather than attempting to complete the
mappings, recording -EINVAL failures for each map request.
---
xen/arch/x86/mm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index b65c3a5..92df36f 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -3544,7 +3544,7 @@ long do_mmu_update(
{
/* Pagetables belong to a foreign domain (PFD). */
if ( (pt_owner = rcu_lock_domain_by_id(pt_dom - 1)) == NULL )
- return -EINVAL;
+ return -ESRCH;
if ( pt_owner == d )
rcu_unlock_domain(pt_owner);
--
2.1.4
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