[Xen-changelog] [xen master] libxc: only munmap when something has actually been mapped in change_pte

[patchbot@xxxxxxx]

commit c827d7f39f7a184ed73e435237bbba54d4272bc1
Author:     Matthew Daley <mattjd@xxxxxxxxx>
AuthorDate: Sun Sep 29 14:35:02 2013 +1300
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Thu Oct 3 14:06:43 2013 +0100

    libxc: only munmap when something has actually been mapped in change_pte
    
    Coverity-ID: 1055269
    signed-off-by: Matthew Daley <mattjd@xxxxxxxxx>
    Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 tools/libxc/xc_offline_page.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/libxc/xc_offline_page.c b/tools/libxc/xc_offline_page.c
index fbb53f5..8195efb 100644
--- a/tools/libxc/xc_offline_page.c
+++ b/tools/libxc/xc_offline_page.c
@@ -317,10 +317,10 @@ static int change_pte(xc_interface *xch, int domid,
                     goto failed;
                 }
             }
-        }
 
-        munmap(content, PAGE_SIZE);
-        content = NULL;
+            munmap(content, PAGE_SIZE);
+            content = NULL;
+        }
     }
 
     if ( xc_flush_mmu_updates(xch, mmu) )
--
generated by git-patchbot for /home/xen/git/xen.git#master

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