2022-08-19 02:30:20

by Li kunyu

[permalink] [raw]
Subject: [PATCH v2] KVM: Drop unnecessary initialization of "ops" in kvm_ioctl_create_device() initialized and assigned, it is used after assignment

Used to reduce a movq instruction.

Reviewed-by: Sean Christopherson <[email protected]>
Signed-off-by: Li kunyu <[email protected]>

v2:
Change patch title.
---
virt/kvm/kvm_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 80f7934c1f59..82f2b90718a9 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -4378,7 +4378,7 @@ void kvm_unregister_device_ops(u32 type)
static int kvm_ioctl_create_device(struct kvm *kvm,
struct kvm_create_device *cd)
{
- const struct kvm_device_ops *ops = NULL;
+ const struct kvm_device_ops *ops;
struct kvm_device *dev;
bool test = cd->flags & KVM_CREATE_DEVICE_TEST;
int type;
--
2.18.2