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There are three functions which would invoke the ipvlan_count_rx. They are ipvlan_process_multicast, ipvlan_rcv_frame, and ipvlan_nf_input. The former two functions already use the ipvlan directly before ipvlan_count_rx, and ipvlan_nf_input gets the ipvlan from ipvl_addr->master, it is not possible to be NULL too. So the ipvlan pointer check is unnecessary in ipvlan_count_rx. Signed-off-by: Gao Feng <fgao@ikuai8.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.