[PATCH] kvm/arm : remove unnecessary local variable

[Peng Hao]

Remove unnecessary local variable in vgic_set_common_attr

Signed-off-by: Peng Hao <peng.h...@zte.com.cn>
---
 virt/kvm/arm/vgic/vgic-kvm-device.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/virt/kvm/arm/vgic/vgic-kvm-device.c 
b/virt/kvm/arm/vgic/vgic-kvm-device.c
index 114dce9..53e5df7 100644
--- a/virt/kvm/arm/vgic/vgic-kvm-device.c
+++ b/virt/kvm/arm/vgic/vgic-kvm-device.c
@@ -163,7 +163,7 @@ int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 
*addr, bool write)
 static int vgic_set_common_attr(struct kvm_device *dev,
                                struct kvm_device_attr *attr)
 {
-       int r;
+       int r = 0;
 
        switch (attr->group) {
        case KVM_DEV_ARM_VGIC_GRP_ADDR: {
@@ -180,7 +180,6 @@ static int vgic_set_common_attr(struct kvm_device *dev,
        case KVM_DEV_ARM_VGIC_GRP_NR_IRQS: {
                u32 __user *uaddr = (u32 __user *)(long)attr->addr;
                u32 val;
-               int ret = 0;
 
                if (get_user(val, uaddr))
                        return -EFAULT;
@@ -199,14 +198,14 @@ static int vgic_set_common_attr(struct kvm_device *dev,
                mutex_lock(&dev->kvm->lock);
 
                if (vgic_ready(dev->kvm) || dev->kvm->arch.vgic.nr_spis)
-                       ret = -EBUSY;
+                       r = -EBUSY;
                else
                        dev->kvm->arch.vgic.nr_spis =
                                val - VGIC_NR_PRIVATE_IRQS;
 
                mutex_unlock(&dev->kvm->lock);
 
-               return ret;
+               return r;
        }
        case KVM_DEV_ARM_VGIC_GRP_CTRL: {
                switch (attr->attr) {
-- 
1.8.3.1