[PATCH] kvm/arm : remove unnecessary local variable

From: Peng Hao
Date: Mon Dec 24 2018 - 23:36:24 EST


Remove unnecessary local variable in vgic_set_common_attr

Signed-off-by: Peng Hao <peng.hao2@xxxxxxxxxx>
---
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