KVM: nVMX: kmap() can't fail

commit 42cf014d38 upstream.

kmap() can't fail, therefore it will always return a valid pointer. Let's
just get rid of the unnecessary checks.

Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Hildenbrand
2017-01-25 11:58:57 +01:00
committed by Greg Kroah-Hartman
parent 34900390e9
commit 19b1d4bdfe

View File

@@ -4756,10 +4756,6 @@ static int vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
return 0;
vapic_page = kmap(vmx->nested.virtual_apic_page);
if (!vapic_page) {
WARN_ON(1);
return -ENOMEM;
}
__kvm_apic_update_irr(vmx->nested.pi_desc->pir, vapic_page);
kunmap(vmx->nested.virtual_apic_page);
@@ -9584,11 +9580,6 @@ static inline bool nested_vmx_merge_msr_bitmap(struct kvm_vcpu *vcpu,
if (!page)
return false;
msr_bitmap_l1 = (unsigned long *)kmap(page);
if (!msr_bitmap_l1) {
nested_release_page_clean(page);
WARN_ON(1);
return false;
}
memset(msr_bitmap_l0, 0xff, PAGE_SIZE);