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Date: Sat, 27 Jun 2015 22:20:40 +0300 From: Роман Донченко <dpb@...rigendum.ru> To: "Linux Kernel" <linux-kernel@...r.kernel.org>, Toralf Förster <toralf.foerster@....de> Subject: Re: [PATCH] x86: fix -Wsign-compare warnings in uaccess.h Toralf Förster <toralf.foerster@....de> писал в своём письме Sat, 27 Jun 2015 22:16:27 +0300: >> The casts are safe, since those conditions are only evaluated when sz >> >= 0. > > > Wouldn't in this case the condition "sz < 0" be superfluously ? No, sz can be negative. I meant that if sz < 0, then the second halves won't be evaluated (though even if they did, it wouldn't matter). -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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