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Johan Hovold
000e8f55fb
commit36f35b8df6upstream. Trying to register a device on a bus which has not yet been registered used to trigger a NULL-pointer dereference, but since the const bus structure rework registration instead succeeds without the device being added to the bus. This specifically means that the device will never bind to a driver and that the bus sysfs attributes are not created (i.e. as if the device had no bus). Reject devices with unregistered buses to catch any callers that get the ordering wrong and to handle bus registration failures more gracefully. Fixes:5221b82d46("driver core: bus: bus_add/probe/remove_device() cleanups") Cc: stable@vger.kernel.org # 6.3 Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org> Link: https://patch.msgid.link/20260430091718.230228-1-johan@kernel.org Signed-off-by: Danilo Krummrich <dakr@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>