Dongliang Mu <dzm91@xxxxxxxxxxx> writes: > From: mudongliang <mudongliangabcd@xxxxxxxxx> > > kfree can handle NULL pointer as its argument. > According to coccinelle isnullfree check, remove NULL check > before kfree operation. > > Signed-off-by: mudongliang <mudongliangabcd@xxxxxxxxx> > --- > arch/x86/kernel/kvm.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c > index 1a3658f7e6d9..d4e48b4a438b 100644 > --- a/arch/x86/kernel/kvm.c > +++ b/arch/x86/kernel/kvm.c > @@ -236,8 +236,7 @@ void kvm_async_pf_task_wake(u32 token) > raw_spin_unlock(&b->lock); > > /* A dummy token might be allocated and ultimately not used. */ > - if (dummy) > - kfree(dummy); > + kfree(dummy); > } > EXPORT_SYMBOL_GPL(kvm_async_pf_task_wake); Reviewed-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> -- Vitaly