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Subject: Re: [PATCH] 2.4.19-pre3 - readv/writev should return EINVAL for count=0
To: plars@austin.ibm.com (Paul Larson)
Date: Wed, 20 Mar 2002 23:48:00 +0000 (GMT)
Cc: marcelo@conectiva.com.br (Marcelo Tosati),
        linux-kernel@vger.kernel.org (lkml)
In-Reply-To: <1016650428.2202.98.camel@plars.austin.ibm.com> from "Paul Larson" at Mar 20, 2002 12:53:47 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> This is a minor patch against 2.4.19-pre3 for readv/writev to have it
> return EINVAL if count=0 is passed to it.  According to the man page and
> also the specifications for readv/writev, this is the correct behaviour.

I beg to disagree. The existing behaviour is compliant. The behaviour for
writing/reading 0 may optionally return -EINVAL. (Single Unix Spec v3).

Alan
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