From: Jens Axboe <axboe@kernel.dk>
To: David Laight <David.Laight@ACULAB.COM>
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 07:01:04 -0700 [thread overview]
Message-ID: <bd164f90-f464-6c40-cb0c-9fd6e1ca98da@kernel.dk> (raw)
In-Reply-To: <0cf51853bebe4c889e4d00e4bbc61fb3@AcuMS.aculab.com>
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.
--
Jens Axboe
next prev parent reply other threads:[~2020-02-04 14:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-04 11:20 [PATCH] Fix io_read() and io_write() when io_import_fixed() is used David Laight
2020-02-04 14:01 ` Jens Axboe [this message]
2020-02-04 14:05 ` David Laight
2020-02-04 14:07 ` Jens Axboe
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