[62] in arla-drinkers
Re: fs does not work?
daemon@ATHENA.MIT.EDU (Aaron M. Ucko)
Fri Jun 26 09:02:49 1998
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To: Assar Westerlund <assar@sics.se>
Cc: Derrick J Brashear <shadow@dementia.org>, arla-drinkers@stacken.kth.se
Subject: Re: fs does not work?
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From: amu@mit.edu (Aaron M. Ucko)
Date: 26 Jun 1998 08:54:00 -0400
In-Reply-To: Assar Westerlund's message of "26 Jun 1998 09:45:31 +0200"
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<assar@sics.se> (Assar Westerlund) writes:
> Assar Westerlund <assar@sics.se> writes:
> > As for solving it, can anybody tell me copy_{from,to}_user are
> > supposed to return?
>
> It seems to me that these functions should return the number of bytes
> not copied.
Right.
> + return EFAULT;
Reminder: Linux syscalls report EWHATEVER by returning -EWHATEVER (in
which case libc sets errno and reports -1 to the user).
--
Aaron M. Ucko, KB1CJC <amu@mit.edu> (finger amu@monk.mit.edu)
