diff options
Diffstat (limited to 'xen/xsm')
| -rw-r--r-- | xen/xsm/flask/hooks.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/xen/xsm/flask/hooks.c b/xen/xsm/flask/hooks.c index 16904ffa08..23b84f3e00 100644 --- a/xen/xsm/flask/hooks.c +++ b/xen/xsm/flask/hooks.c @@ -1314,11 +1314,11 @@ static int flask_mmu_normal_update(struct domain *d, struct domain *t, { int rc = 0; u32 map_perms = MMU__MAP_READ; - unsigned long fmfn; + unsigned long fgfn, fmfn; struct domain_security_struct *dsec; u32 fsid; struct avc_audit_data ad; - struct page_info *page = NULL; + p2m_type_t p2mt; if (d != t) rc = domain_has_perm(d, t, SECCLASS_MMU, MMU__REMOTE_REMAP); @@ -1334,9 +1334,9 @@ static int flask_mmu_normal_update(struct domain *d, struct domain *t, map_perms |= MMU__MAP_WRITE; AVC_AUDIT_DATA_INIT(&ad, MEMORY); - page = get_page_from_gfn(f, l1e_get_pfn(l1e_from_intpte(fpte)), - NULL, P2M_ALLOC); - fmfn = page ? page_to_mfn(page) : INVALID_MFN; + fgfn = l1e_get_pfn(l1e_from_intpte(fpte)); + fmfn = mfn_x(get_gfn_query(f, fgfn, &p2mt)); + ad.sdom = d; ad.tdom = f; ad.memory.pte = fpte; @@ -1344,8 +1344,7 @@ static int flask_mmu_normal_update(struct domain *d, struct domain *t, rc = get_mfn_sid(fmfn, &fsid); - if ( page ) - put_page(page); + put_gfn(f, fgfn); if ( rc ) return rc; |