ipack: ipoctal: fix module reference leak
commit bb8a4fcb upstream. A reference to the carrier module was taken on every open but was only released once when the final reference to the tty struct was dropped. Fix this by taking the module reference and initialising the tty driver data when installing the tty. Fixes: 82a82340 ("ipoctal: get carrier driver to avoid rmmod") Cc: stable@vger.kernel.org # 3.18 Cc: Federico Vaga <federico.vaga@cern.ch> Acked-by:Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by:
Johan Hovold <johan@kernel.org> Link: https://lore.kernel.org/r/20210917114622.5412-6-johan@kernel.org Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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