diff options
Diffstat (limited to 'virt/kvm/guest_memfd.c')
| -rw-r--r-- | virt/kvm/guest_memfd.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/virt/kvm/guest_memfd.c b/virt/kvm/guest_memfd.c index 08a6bc7d25b6..94bafd6c558c 100644 --- a/virt/kvm/guest_memfd.c +++ b/virt/kvm/guest_memfd.c @@ -702,7 +702,7 @@ out: fput(file); return r; } -EXPORT_SYMBOL_GPL(kvm_gmem_get_pfn); +EXPORT_SYMBOL_FOR_KVM_INTERNAL(kvm_gmem_get_pfn); #ifdef CONFIG_HAVE_KVM_ARCH_GMEM_POPULATE long kvm_gmem_populate(struct kvm *kvm, gfn_t start_gfn, void __user *src, long npages, @@ -716,7 +716,8 @@ long kvm_gmem_populate(struct kvm *kvm, gfn_t start_gfn, void __user *src, long long i; lockdep_assert_held(&kvm->slots_lock); - if (npages < 0) + + if (WARN_ON_ONCE(npages <= 0)) return -EINVAL; slot = gfn_to_memslot(kvm, start_gfn); @@ -784,5 +785,5 @@ put_folio_and_exit: fput(file); return ret && !i ? ret : i; } -EXPORT_SYMBOL_GPL(kvm_gmem_populate); +EXPORT_SYMBOL_FOR_KVM_INTERNAL(kvm_gmem_populate); #endif |