[Xen-changelog] [xen-unstable] fix XENMEM_remove_from_physmap return value

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Jan Beulich <jbeulich@xxxxxxxx>
# Date 1358262664 -3600
# Node ID 327b812026fe62a990f1d81041729c42196983ca
# Parent  78ed15cfd96aba346030df399ae04dd196475267
fix XENMEM_remove_from_physmap return value

A random value is being returned as of c/s 26350:ba386fd2bf17 in the
success case.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
---


diff -r 78ed15cfd96a -r 327b812026fe xen/common/memory.c
--- a/xen/common/memory.c       Tue Jan 15 11:33:41 2013 +0100
+++ b/xen/common/memory.c       Tue Jan 15 16:11:04 2013 +0100
@@ -687,10 +687,11 @@ long do_memory_op(unsigned long cmd, XEN
         if ( d == NULL )
             return -ESRCH;
 
-        if ( xsm_remove_from_physmap(XSM_TARGET, current->domain, d) )
+        rc = xsm_remove_from_physmap(XSM_TARGET, current->domain, d);
+        if ( rc )
         {
             rcu_unlock_domain(d);
-            return -EPERM;
+            return rc;
         }
 
         domain_lock(d);

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