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Commit32927393dc("sysctl: pass kernel pointers to ->proc_handler") changed ctl_table.proc_handler to take a kernel pointer. Adjust the signature of bpf_stats_handler to match ctl_table.proc_handler which fixes the following sparse warning: kernel/sysctl.c:226:49: warning: incorrect type in argument 3 (different address spaces) kernel/sysctl.c:226:49: expected void * kernel/sysctl.c:226:49: got void [noderef] __user *buffer kernel/sysctl.c:2640:35: warning: incorrect type in initializer (incompatible argument 3 (different address spaces)) kernel/sysctl.c:2640:35: expected int ( [usertype] *proc_handler )( ... ) kernel/sysctl.c:2640:35: got int ( * )( ... ) Fixes:32927393dc("sysctl: pass kernel pointers to ->proc_handler") Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Cc: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/bpf/20200824142047.22043-1-tklauser@distanz.ch
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.