From: David Laight <David.Laight@ACULAB.COM>
To: 'Jens Axboe' <axboe@kernel.dk>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH] Fix io_read() and io_write() when io_import_fixed() is used.
Date: Tue, 4 Feb 2020 14:05:12 +0000 [thread overview]
Message-ID: <3d5daf51252846cb851bf37d18842c4c@AcuMS.aculab.com> (raw)
In-Reply-To: <bd164f90-f464-6c40-cb0c-9fd6e1ca98da@kernel.dk>
From: Jens Axboe
> Sent: 04 February 2020 14:01
> On 2/4/20 4:20 AM, David Laight wrote:
> > io_import_fixed() returns 0 on success so io_import_iovec() may
> > not return the length of the transfer.
> >
> > Instead always use the value from iov_iter_count()
> > (Which is called at the same place.)
> >
> > Fixes 9d93a3f5a (modded by 491381ce0) and 9e645e110.
>
> What kernel is this against? This shouldn't be an issue
> in anything newer than 5.3-stable.
Sources are 5.4.0-rc7.
So not entirely 'the latest'.
I didn't update late in the 5.5 cycle and won't until
we get to rc4 (or so).
David
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next prev parent reply other threads:[~2020-02-04 14:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-04 11:20 David Laight
2020-02-04 14:01 ` Jens Axboe
2020-02-04 14:05 ` David Laight [this message]
2020-02-04 14:07 ` Jens Axboe
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