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| author | David Hildenbrand <david@redhat.com> | 2018-02-23 13:42:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-25 13:03:54 +0300 |
| commit | e7a3bc31dc0841ff5c3fc544edd94824a8b13b18 (patch) | |
| tree | 9c9d6a538eab9dee551bccc880696d34d1bb037c /arch/x86/kvm/vmx.c | |
| parent | fd94ae98d2dd6883ed8c7948dcbb48867894045d (diff) | |
| download | linux-e7a3bc31dc0841ff5c3fc544edd94824a8b13b18.tar.xz | |
KVM: nVMX: kmap() can't fail
commit 42cf014d38d8822cce63703a467e00f65d000952 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>
[jwang: port to 4.4]
Signed-off-by: Jack Wang <jinpu.wang@profitbricks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index b1472c75284b..08e26ab07ed7 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -4532,10 +4532,6 @@ 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); @@ -9238,11 +9234,6 @@ static inline bool nested_vmx_merge_msr_bitmap(struct kvm_vcpu *vcpu, return false; } msr_bitmap = (unsigned long *)kmap(page); - if (!msr_bitmap) { - nested_release_page_clean(page); - WARN_ON(1); - return false; - } if (nested_cpu_has_virt_x2apic_mode(vmcs12)) { if (nested_cpu_has_apic_reg_virt(vmcs12)) |