diff options
Diffstat (limited to 'xen/arch/x86/mm/p2m.c')
| -rw-r--r-- | xen/arch/x86/mm/p2m.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c index 54940338d2..043a044626 100644 --- a/xen/arch/x86/mm/p2m.c +++ b/xen/arch/x86/mm/p2m.c @@ -2207,7 +2207,10 @@ guest_physmap_add_entry(struct domain *d, unsigned long gfn, if ( mfn_valid(_mfn(mfn)) ) { if ( !set_p2m_entry(d, gfn, _mfn(mfn), page_order, t) ) + { rc = -EINVAL; + goto out; /* Failed to update p2m, bail without updating m2p. */ + } if ( !p2m_is_grant(t) ) { for ( i = 0; i < (1UL << page_order); i++ ) @@ -2228,6 +2231,7 @@ guest_physmap_add_entry(struct domain *d, unsigned long gfn, } } +out: audit_p2m(d); p2m_unlock(d->arch.p2m); |