Andrzej Hajda <[email protected]> wrote: > The problem has been detected using proposed semantic patch > scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
This is a problem in your test. There's no actual problem with the code. > - ASSERT(cache->fstop_percent >= 0 && This is fine. The compiler should just ignore it. > - cache->fstop_percent < cache->fcull_percent && > - cache->fcull_percent < cache->frun_percent && > - cache->frun_percent < 100); > + ASSERT(cache->fstop_percent < cache->fcull_percent && > + cache->fcull_percent < cache->frun_percent); You've lost the upper bound check. > - if (datalen < 0 || datalen > PAGE_SIZE - 1) > - if (fstop < 0 || fstop >= cache->fcull_percent) > - if (bstop < 0 || bstop >= cache->bcull_percent) These are all fine. The compiler should just ignore them. David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

