MIPS: KVM: Fix unused variable build warning

As kvm_mips_complete_mmio_load() did not yet modify PC at this point
as James Hogans <[email protected]> explained the curr_pc variable
and the comments along with it can be dropped.

Signed-off-by: Nicholas Mc Guire <[email protected]>
Link: http://lkml.org/lkml/2015/5/8/422
Cc: Gleb Natapov <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: James Hogan <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/9993/
Signed-off-by: Ralf Baechle <[email protected]>

diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index 6230f376a44e7ab6f09041c4b805e54e59468489..4b50c5787e25bdb4bdb28eb7736296e1d5d3812c 100644 (file)
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -2389,7 +2389,6 @@ enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu,
 {
        unsigned long *gpr = &vcpu->arch.gprs[vcpu->arch.io_gpr];
        enum emulation_result er = EMULATE_DONE;
-       unsigned long curr_pc;
 
        if (run->mmio.len > sizeof(*gpr)) {
                kvm_err("Bad MMIO length: %d", run->mmio.len);
@@ -2397,11 +2396,6 @@ enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu,
                goto done;
        }
 
-       /*
-        * Update PC and hold onto current PC in case there is
-        * an error and we want to rollback the PC
-        */
-       curr_pc = vcpu->arch.pc;
        er = update_pc(vcpu, vcpu->arch.pending_load_cause);
        if (er == EMULATE_FAIL)
                return er;