why is "const u32 (*tab)[256]" not kerneldoc-able?

Robert P. J. Day rpjday at crashcourse.ca
Tue Feb 3 08:44:50 EST 2015


On Tue, 3 Feb 2015, Bjørn Mork wrote:

> Bjørn Mork <bjorn at mork.no> writes:
>
> > Maybe the attached simple patch is good enough?  Completely untested
> > except for a single run against that file....
>
> Ah, umh, no.  That "const u32 (*)[256] tab" does not look correct:
>
>
> crc32_le_generic(9)                                   Kernel Hacker's Manual                                  crc32_le_generic(9)
>
> NAME
>        crc32_le_generic - Calculate bitwise little-endian Ethernet AUTODIN II CRC32/CRC32C
>
> SYNOPSIS
>        u32 __pure crc32_le_generic (u32 crc, unsigned char const *p, size_t len, const u32 (*)[256] tab, u32 polynomial);
>
> ARGUMENTS
>        crc         seed  value  for computation.  ~0 for Ethernet, sometimes 0 for other uses, or the previous crc32/crc32c value
>                    if computing incrementally.
>
>        p           pointer to buffer over which CRC32/CRC32C is run
>
>        len         length of buffer p
>
>        tab         little-endian Ethernet table
>
>        polynomial  CRC32/CRC32c LE polynomial
>
>
>
> I guess a proper fix is needed.

  actually, i just found where this is a known issue:

http://www.spinics.net/lists/linux-doc/msg09364.html

rday

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

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