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d39d714969
Similarly, other callers of idr_get_next_ul() suffer the same overflow bug as they don't handle it properly either. Introduce idr_for_each_entry_continue_ul() to help these callers iterate from a given ID. cls_flower needs more care here because it still has overflow when does arg->cookie++, we have to fold its nested loops into one and remove the arg->cookie++. Fixes:01683a1469("net: sched: refactor flower walk to iterate over idr") Fixes:12d6066c3b("net/mlx5: Add flow counters idr") Reported-by: Li Shuang <shuali@redhat.com> Cc: Davide Caratti <dcaratti@redhat.com> Cc: Vlad Buslov <vladbu@mellanox.com> Cc: Chris Mi <chrism@mellanox.com> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Tested-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.