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commitf2924d4b16upstream. When the ACM TTY port is disconnected, the URBs it uses must be killed, and then the buffers must be freed. Unfortunately a previous refactor removed the code freeing the buffers because it looked extremely similar to the code killing the URBs. As a result, there were many new leaks for each plug/unplug cycle of a CDC-ACM device, that were detected by kmemleak. Restore the missing code, and the memory leak is removed. Fixes:ba8c931ded("cdc-acm: refactor killing urbs") Signed-off-by: Romain Izard <romain.izard.pro@gmail.com> Acked-by: Oliver Neukum <oneukum@suse.com> Cc: stable <stable@vger.kernel.org> 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.