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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Kari Argillander <kari.argillander@gmail.com>
Cc: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>,
	ntfs3@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fs/ntfs3: Remove unnecessary condition checking from ntfs_file_read_iter
Date: Wed, 25 Aug 2021 22:17:57 +0300	[thread overview]
Message-ID: <20210825191757.GW7722@kadam> (raw)
In-Reply-To: <20210825182522.1367594-1-kari.argillander@gmail.com>

On Wed, Aug 25, 2021 at 09:25:22PM +0300, Kari Argillander wrote:
> This check will be also performed in generic_file_read_iter() so we do
> not want to check this two times in a row.
> 
> This was founded with Smatch
> 	fs/ntfs3/file.c:803 ntfs_file_read_iter()
> 	warn: unused return: count = iov_iter_count()
> 
> Signed-off-by: Kari Argillander <kari.argillander@gmail.com>
> ---
> I cc Dan also because I am happy that I finally managed to install
> Smack and straight away I found something with it. Thank you for
> this great tool.

Thanks!

You got a bit lucky, because you're using the --two-passes and the truth
is I haven't looked at that in years so I'm worried it's probably not
great.  You probably be better off not using the --two-passes option.  :/
I should remove it.

regards,
dan carpenter


  reply	other threads:[~2021-08-25 19:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-25 18:25 [PATCH] fs/ntfs3: Remove unnecessary condition checking from ntfs_file_read_iter Kari Argillander
2021-08-25 19:17 ` Dan Carpenter [this message]
2021-08-25 19:31   ` Kari Argillander
2021-09-02 16:26 ` Konstantin Komarov

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