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commit 02e3858f08faabab9503ae2911cf7c7e27702257 upstream. When failing to create a vcpu because (for example) it has a duplicate vcpu_id, we destroy the vcpu. Amusingly, this leaves the redistributor registered with the KVM_MMIO bus. This is no good, and we should properly clean the mess. Force a teardown of the vgic vcpu interface, including the RD device before returning to the caller. Cc: stable@vger.kernel.org Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20231207151201.3028710-4-maz@kernel.org Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>