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-rw-r--r--virt/kvm/kvm_main.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 486800a7024b..278d31ae45d8 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -5545,7 +5545,6 @@ int kvm_io_bus_read(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr,
return r < 0 ? r : 0;
}
-/* Caller must hold slots_lock. */
int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
int len, struct kvm_io_device *dev)
{
@@ -5553,6 +5552,8 @@ int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
struct kvm_io_bus *new_bus, *bus;
struct kvm_io_range range;
+ lockdep_assert_held(&kvm->slots_lock);
+
bus = kvm_get_bus(kvm, bus_idx);
if (!bus)
return -ENOMEM;