Re: Make checkpatch warn about pointless casting of kalloc returns.

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 > > +			WARN("No need to cast return value.\n");
> > Could the warning be more descriptive? This describes what, but it should also describe > why; after all if somebody made this error they may not know they why.

I'm open to suggestions..

How about

WARN("No need to cast return value, it is unnecessary and can hide real bugs. See http://c-faq.com/malloc/mallocnocast.html for more details\n");
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