On Aug 18 2007 20:07, Satyam Sharma wrote:
>On Fri, 17 Aug 2007, Geert Uytterhoeven wrote:
>
>> On Thu, 16 Aug 2007, NeilBrown wrote:
>> [...]
>> > dev_dbg(&dev->sbd.core,
>> > "%s:%u: bio %u: %u segs %u sectors from %lu\n",
>> > - __func__, __LINE__, i, bio_segments(bio),
>> > - bio_sectors(bio), sector);
>> > - bio_for_each_segment(bvec, bio, j) {
>> > + __func__, __LINE__, i, bio_segments(iter.bio),
>> > + bio_sectors(iter.bio),
>> > + (unsigned long)iter.bio->bi_sector);
>> ^^^^^^^^^^^^^^^
>> Superfluous cast: PS3 is 64-bit only, and casts are evil.
bi_sector is sector_t. The cast is ok, because printf will warn, and rightfully
so since sector_t may just change its shape underneath. It would not be so much
of a problem if printf() was not a varargs function, but it is, and hence,
passing an object bigger than the format specifier can make problems.
Jan
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