From: "Роман Донченко" <dpb@corrigendum.ru>
To: "Linux Kernel" <linux-kernel@vger.kernel.org>,
"Toralf Förster" <toralf.foerster@gmx.de>
Subject: Re: [PATCH] x86: fix -Wsign-compare warnings in uaccess.h
Date: Sat, 27 Jun 2015 22:20:40 +0300 [thread overview]
Message-ID: <op.x0wlcqiynngjn5@freezie> (raw)
In-Reply-To: <558EF68B.7000702@gmx.de>
Toralf Förster <toralf.foerster@gmx.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).
next prev parent reply other threads:[~2015-06-27 19:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-27 19:16 Toralf Förster
2015-06-27 19:20 ` Роман Донченко [this message]
-- strict thread matches above, loose matches on Subject: below --
2015-06-27 16:57 Роман Донченко
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