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| author | Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> | 2014-06-26 12:11:40 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-06-30 16:52:04 +0200 |
| commit | ab76228a48d434d67cf72f8753307db104e81cc6 (patch) | |
| tree | 78a5e604ab8d0b3cabfa1118c9ce2c7d386defc9 /arch/mips | |
| parent | db2fb7f202ba1d1b2c6532b359b7c763bf17fe72 (diff) | |
| download | op-kernel-dev-ab76228a48d434d67cf72f8753307db104e81cc6.zip op-kernel-dev-ab76228a48d434d67cf72f8753307db104e81cc6.tar.gz | |
MIPS: KVM: Remove dead code of TLB index error in kvm_mips_emul_tlbwr()
It's impossible to fall into the error handling of the TLB index after
being masked by (KVM_MIPS_GUEST_TLB_SIZE - 1). Remove the dead code.
Reported-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/kvm/emulate.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c index 1a60688..fb3e8df 100644 --- a/arch/mips/kvm/emulate.c +++ b/arch/mips/kvm/emulate.c @@ -846,11 +846,6 @@ enum emulation_result kvm_mips_emul_tlbwr(struct kvm_vcpu *vcpu) get_random_bytes(&index, sizeof(index)); index &= (KVM_MIPS_GUEST_TLB_SIZE - 1); - if (index < 0 || index >= KVM_MIPS_GUEST_TLB_SIZE) { - kvm_err("%s: illegal index: %d\n", __func__, index); - return EMULATE_FAIL; - } - tlb = &vcpu->arch.guest_tlb[index]; /* |
