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When CONFIG_KASAN is set, all the local variables in this function are allocated on the stack together, leading to a warning about possible kernel stack overflow: drivers/block/DAC960.c: In function 'DAC960_gam_ioctl': drivers/block/DAC960.c:7061:1: error: the frame size of 2240 bytes is larger than 2048 bytes [-Werror=frame-larger-than=] By splitting up the function into smaller chunks, we can avoid that and make the code slightly more readable at the same time. The coding style in this file is completely nonstandard, and I chose to not touch that at all, leaving the unconventional intendation unchanged to make it easier to review the diff. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.