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| author | Wei Yang <richardw.yang@linux.intel.com> | 2019-04-01 05:17:23 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-06-18 12:43:48 +0300 |
| commit | 4cb8b1163586addc9e1f4eebe232a11534c24d4a (patch) | |
| tree | 35741a0c491a77044518445197d12590faedf7de /arch/x86/kvm/lapic.c | |
| parent | ee171d2f39d60c6405dc21a0aaa766cad2c9c43e (diff) | |
| download | linux-4cb8b1163586addc9e1f4eebe232a11534c24d4a.tar.xz | |
kvm: x86: offset is ensure to be in range
In function apic_mmio_write(), the offset has been checked in:
* apic_mmio_in_range()
* offset & 0xf
These two ensures offset is in range [0x010, 0xff0].
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 9a54fccd0aa2..e82a18ccfc1a 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -2023,7 +2023,7 @@ static int apic_mmio_write(struct kvm_vcpu *vcpu, struct kvm_io_device *this, apic_debug("%s: offset 0x%x with length 0x%x, and value is " "0x%x\n", __func__, offset, len, val); - kvm_lapic_reg_write(apic, offset & 0xff0, val); + kvm_lapic_reg_write(apic, offset, val); return 0; } |