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033b228e7f
When tcindex_destroy() destroys all the filter results in the perfect hash table, it invokes the walker to delete each of them. However, results with class==0 are skipped in either tcindex_walk() or tcindex_delete(), which causes a memory leak reported by kmemleak. This patch fixes it by skipping the walker and directly deleting these filter results so we don't miss any filter result. As a result of this change, we have to initialize exts->net properly in tcindex_alloc_perfect_hash(). For net-next, we need to consider whether we should initialize ->net in tcf_exts_init() instead, before that just directly test CONFIG_NET_CLS_ACT=y. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.