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| author | Tim Deegan <Tim.Deegan@citrix.com> | 2011-02-09 12:03:09 +0000 |
|---|---|---|
| committer | Tim Deegan <Tim.Deegan@citrix.com> | 2011-02-09 12:03:09 +0000 |
| commit | ebe3e6440ce49e51c41620161961c4b39c373276 (patch) | |
| tree | 5acdff18a403f82a6ee5818d04ddeb23ec01b099 | |
| parent | aa479ce9d1295d153db641ead0d174d9ef9fffa8 (diff) | |
| download | xen-ebe3e6440ce49e51c41620161961c4b39c373276.tar.gz xen-ebe3e6440ce49e51c41620161961c4b39c373276.tar.bz2 xen-ebe3e6440ce49e51c41620161961c4b39c373276.zip | |
x86/mm/shadow: fix unlocking on error path in p2m allocator
One unlock path wasn't gated to match the lock.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
| -rw-r--r-- | xen/arch/x86/mm/shadow/common.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/xen/arch/x86/mm/shadow/common.c b/xen/arch/x86/mm/shadow/common.c index 65a2b03e4f..dd9a1555ae 100644 --- a/xen/arch/x86/mm/shadow/common.c +++ b/xen/arch/x86/mm/shadow/common.c @@ -1634,7 +1634,8 @@ shadow_alloc_p2m_page(struct domain *d) if ( d->arch.paging.shadow.total_pages < shadow_min_acceptable_pages(d) + 1 ) { - shadow_unlock(d); + if ( do_locking ) + shadow_unlock(d); return NULL; } |