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KVM: x86: prevent uninitialized variable warning in check_svme() 

get_msr() of MSR_EFER is currently always going to succeed, but static
checker doesn't see that far.

Don't complicate stuff and just use 0 for the fallback -- it means that
the feature is not present.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
Radim Krčmář 2017-05-18 19:37:32 +02:00
parent 34b0dadbdf
commit 92ceb7679a
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kvm/emulate.c
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@ -4173,7 +4173,7 @@ static int check_dr_write(struct x86_emulate_ctxt *ctxt)
static int check_svme(struct x86_emulate_ctxt *ctxt)
{
u64 efer;
u64 efer = 0;
ctxt->ops->get_msr(ctxt, MSR_EFER, &efer);