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3ac4a615bd
__get_user_check and __put_user_check use temporary pointer but don't mark it as __user, resulting in sparse warnings: sparse: warning: incorrect type in initializer (different address spaces) sparse: expected long *__pu_addr sparse: got long [noderef] <asn:1> *ret sparse: warning: incorrect type in argument 1 (different address spaces) sparse: expected void [noderef] <asn:1> *to sparse: got long *__pu_addr Add __user annotation to temporary pointer in __get_user_check and __put_user_check. Reported-by: kbuild test robot <lkp@intel.com> Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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.