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977bc87356
Smatch complains that: smatch warnings: io_uring/rsrc.c:1262 io_sqe_buffer_register() error: uninitialized symbol 'folio'. 'folio' may be used uninitialized, which can happen if we end up with a single page mapped. Ensure that we clear folio to NULL at the top so it's always set. Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <error27@gmail.com> Link: https://lore.kernel.org/r/202302241432.YML1CD5C-lkp@intel.com/ Signed-off-by: Jens Axboe <axboe@kernel.dk>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.