[1/2] KVM: nVMX: kmap() can't fail
diff mbox

Message ID 20170125105858.20850-2-david@redhat.com
State New
Headers show

Commit Message

David Hildenbrand Jan. 25, 2017, 10:58 a.m. UTC
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>
---
 arch/x86/kvm/vmx.c | 9 ---------
 1 file changed, 9 deletions(-)

Patch
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diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a236dec..a409fc4 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4973,10 +4973,6 @@  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);
 
@@ -9730,11 +9726,6 @@  static inline bool nested_vmx_merge_msr_bitmap(struct kvm_vcpu *vcpu,
 		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);