[PATCH] KVM: vmx: fix a build warning in hv_enable_direct_tlbflush() on i386

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The following was reported on i386:

  arch/x86/kvm/vmx/vmx.c: In function 'hv_enable_direct_tlbflush':
  arch/x86/kvm/vmx/vmx.c:503:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]

The particular pr_debug() causing it is more or less useless, let's just
remove it. Also, simplify the condition a little bit.

Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
 arch/x86/kvm/vmx/vmx.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index a7c9922e3905..812553b7270f 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -495,13 +495,11 @@ static int hv_enable_direct_tlbflush(struct kvm_vcpu *vcpu)
 	 * Synthetic VM-Exit is not enabled in current code and so All
 	 * evmcs in singe VM shares same assist page.
 	 */
-	if (!*p_hv_pa_pg) {
+	if (!*p_hv_pa_pg)
 		*p_hv_pa_pg = kzalloc(PAGE_SIZE, GFP_KERNEL);
-		if (!*p_hv_pa_pg)
-			return -ENOMEM;
-		pr_debug("KVM: Hyper-V: allocated PA_PG for %llx\n",
-		       (u64)&vcpu->kvm);
-	}
+
+	if (!*p_hv_pa_pg)
+		return -ENOMEM;
 
 	evmcs = (struct hv_enlightened_vmcs *)to_vmx(vcpu)->loaded_vmcs->vmcs;
 
-- 
2.20.1




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