diff options
Diffstat (limited to 'virt/kvm/kvm_main.c')
| -rw-r--r-- | virt/kvm/kvm_main.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 141db5b79cd4..5fc95504affe 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3066,19 +3066,14 @@ EXPORT_SYMBOL_GPL(gfn_to_page_many_atomic); */ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn) { - struct page *page; kvm_pfn_t pfn; pfn = gfn_to_pfn(kvm, gfn); if (is_error_noslot_pfn(pfn)) - return KVM_ERR_PTR_BAD_PAGE; - - page = kvm_pfn_to_refcounted_page(pfn); - if (!page) - return KVM_ERR_PTR_BAD_PAGE; + return NULL; - return page; + return kvm_pfn_to_refcounted_page(pfn); } EXPORT_SYMBOL_GPL(gfn_to_page); @@ -3172,7 +3167,8 @@ static void kvm_set_page_accessed(struct page *page) void kvm_release_page_clean(struct page *page) { - WARN_ON(is_error_page(page)); + if (WARN_ON(!page)) + return; kvm_set_page_accessed(page); put_page(page); @@ -3196,7 +3192,8 @@ EXPORT_SYMBOL_GPL(kvm_release_pfn_clean); void kvm_release_page_dirty(struct page *page) { - WARN_ON(is_error_page(page)); + if (WARN_ON(!page)) + return; kvm_set_page_dirty(page); kvm_release_page_clean(page); |