On 2011-12-08 07:17, Sasha Levin wrote: > Make sure 'exchanged' is initialized. Fixes the following warning: > > arch/x86/kvm/x86.c: In function 'emulator_cmpxchg_emulated': > arch/x86/kvm/x86.c:3794:7: warning: 'exchanged' may be used uninitialized in this function > > Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx> > --- > arch/x86/kvm/x86.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index eeeaf2e..9338afc 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -3791,7 +3791,7 @@ static int emulator_cmpxchg_emulated(struct x86_emulate_ctxt *ctxt, > gpa_t gpa; > struct page *page; > char *kaddr; > - bool exchanged; > + bool exchanged = false; > > /* guests cmpxchg8b have to be emulated atomically */ > if (bytes > 8 || (bytes & (bytes - 1))) Isn't BUG() tagged as no-return in the kernel? Because this initialization is obviously unneeded. Jan
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