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Speakup opens tty using tty_open_by_driver. When closing, it calls tty_ldisc_release but doesn't close and remove the tty itself. As a result, that tty cannot be opened from user space. This patch calls tty_release_struct which ensures that tty is safely removed and freed up. It also calls tty_ldisc_release, so speakup doesn't need to call it. Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.