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[Xen-changelog] Unmap domain page on exit
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| Subject: | [Xen-changelog] Unmap domain page on exit |
| From: | Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx> |
| Date: | Wed, 31 Aug 2005 08:30:39 +0000 |
| Delivery-date: | Wed, 31 Aug 2005 08:34:49 +0000 |
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# HG changeset patch
# User adsharma@xxxxxxxxxxxxxxxxxxxx
# Node ID 44e70a3d6b4c6eb69c1b837d6629cbfd06852ed0
# Parent 765d27ed051697f84866c391c262c4f649b7b686
Unmap domain page on exit
Signed-off-by: Yunhong Jiang <yunhong.jiang@xxxxxxxxx>
Signed-off-by: Arun Sharma <arun.sharma@xxxxxxxxx>
diff -r 765d27ed0516 -r 44e70a3d6b4c xen/arch/x86/shadow32.c
--- a/xen/arch/x86/shadow32.c Wed Aug 17 19:21:31 2005
+++ b/xen/arch/x86/shadow32.c Wed Aug 17 19:21:37 2005
@@ -1917,8 +1917,10 @@
snapshot = map_domain_page(smfn);
if (__copy_from_user(&gpte, &guest_pt[index],
- sizeof(gpte)))
+ sizeof(gpte))) {
+ unmap_domain_page(snapshot);
return 0;
+ }
// This could probably be smarter, but this is sufficent for
// our current needs.
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