> > I believe you need to create a coccinelle script and run it over the > > kernel source tree and then create a patch out of it. > > This would definitely be necessary to unify all callers to using > unsigned variables rather than just swapping which callers generate > the pointer-sign warnings. I am all for using u8 because this is the proper type. Yet, if we touch this function argument, I'd also like to remove all inconsistencies once and for all. Removing some warnings here and add some there is not a good choice IMO. However, how to do this switch of types cleanly without too much churn, I sadly have no good idea yet.
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