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f84ae29a61
It is necessary to call free_arg(arg) when add_filter_type() returns NULL in filter_event(). Signed-off-by: Hewenliang <hewenliang4@huawei.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Feilong Lin <linfeilong@huawei.com> Cc: Tzvetomir Stoyanov <tstoyanov@vmware.com> Link: http://lore.kernel.org/lkml/20191209063549.59941-1-hewenliang4@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.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.