[PATCH v2] KVM: remove redundant code in kvm_arch_vm_ioctl

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If we reach here with r = 0, we will reassign r = 0
unnecesarry, then do the label set_irqchip_out work.
If we reach here with r != 0, then we will do the label
work directly. So this if statement and r = 0 assignment
is redundant. We remove them and therefore we can get rid
of odd set_irqchip_out lable further pointed out by tglx.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 arch/x86/kvm/x86.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 661e2bf38526..cd4ca8c2f7de 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4913,13 +4913,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
 		}
 
 		r = -ENXIO;
-		if (!irqchip_kernel(kvm))
-			goto set_irqchip_out;
-		r = kvm_vm_ioctl_set_irqchip(kvm, chip);
-		if (r)
-			goto set_irqchip_out;
-		r = 0;
-	set_irqchip_out:
+		if (irqchip_kernel(kvm))
+			r = kvm_vm_ioctl_set_irqchip(kvm, chip);
 		kfree(chip);
 		break;
 	}
-- 
2.19.1




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