Commit 1cf342a7c3ad for kernel

commit 1cf342a7c3adc5877837b53bbceb5cc9eff60bbf
Author: Qiang Ma <maqianga@uniontech.com>
Date:   Sat Jan 17 10:57:03 2026 +0800

    LoongArch: KVM: Fix kvm_device leak in kvm_pch_pic_destroy()

    In kvm_ioctl_create_device(), kvm_device has allocated memory,
    kvm_device->destroy() seems to be supposed to free its kvm_device
    struct, but kvm_pch_pic_destroy() is not currently doing this, that
    would lead to a memory leak.

    So, fix it.

    Cc: stable@vger.kernel.org
    Reviewed-by: Bibo Mao <maobibo@loongson.cn>
    Signed-off-by: Qiang Ma <maqianga@uniontech.com>
    Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

diff --git a/arch/loongarch/kvm/intc/pch_pic.c b/arch/loongarch/kvm/intc/pch_pic.c
index a698a73de399..4addb34bf432 100644
--- a/arch/loongarch/kvm/intc/pch_pic.c
+++ b/arch/loongarch/kvm/intc/pch_pic.c
@@ -475,6 +475,7 @@ static void kvm_pch_pic_destroy(struct kvm_device *dev)
 	/* unregister pch pic device and free it's memory */
 	kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS, &s->device);
 	kfree(s);
+	kfree(dev);
 }

 static struct kvm_device_ops kvm_pch_pic_dev_ops = {