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-rw-r--r--arch/x86/kvm/i8259.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index e4bcbddecb3..daf4606b029 100644
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -539,6 +539,8 @@ static const struct kvm_io_device_ops picdev_ops = {
struct kvm_pic *kvm_create_pic(struct kvm *kvm)
{
struct kvm_pic *s;
+ int ret;
+
s = kzalloc(sizeof(struct kvm_pic), GFP_KERNEL);
if (!s)
return NULL;
@@ -555,6 +557,11 @@ struct kvm_pic *kvm_create_pic(struct kvm *kvm)
* Initialize PIO device
*/
kvm_iodevice_init(&s->dev, &picdev_ops);
- kvm_io_bus_register_dev(kvm, &kvm->pio_bus, &s->dev);
+ ret = kvm_io_bus_register_dev(kvm, &kvm->pio_bus, &s->dev);
+ if (ret < 0) {
+ kfree(s);
+ return NULL;
+ }
+
return s;
}