From: Andrew Cooper <andrew.cooper3@citrix.com>
Date: Mon, 2 Nov 2015 14:34:01 +0000 (+0100)
Subject: x86/mm: return -ESRCH for an invalid foreign domid
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~2316
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=990ea04ebedf543156dc2afa980061eb6645c390;p=xen.git

x86/mm: return -ESRCH for an invalid foreign domid

For consistency with all other invalid domid handling.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: George Dunlap <george.dunlap@citrix.com>
---

diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index b65c3a51e2..92df36fa19 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);