Make sure that disp->Device is never overwritten during probe function calls. If EGL_DEVICE_EXT is provided, the probing should rather fail than switch the device being used. Signed-off-by: Robert Foss <rfoss@kernel.org> Reviewed-by: Adam Jackson <ajax@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26131>