Commit 92ceb767 authored May 18, 2017 by Radim Krčmář

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>

parent 34b0dadb

arch/x86/kvm/emulate.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);