Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ab76228a authored by Deng-Cheng Zhu's avatar Deng-Cheng Zhu Committed by Paolo Bonzini
Browse files

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: default avatarJames Hogan <james.hogan@imgtec.com>
Signed-off-by: default avatarDeng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Reviewed-by: default avatarJames Hogan <james.hogan@imgtec.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent db2fb7f2

arch/mips/kvm/emulate.c

+0 −5
Original line number Diff line number Diff line
@@ -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];



	/*