Re: [PATCH] fs/ntfs3: Remove unnecessary condition checking from ntfs_file_read_iter

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On Wed, Aug 25, 2021 at 10:17:57PM +0300, Dan Carpenter wrote:
> 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@xxxxxxxxx>
> > ---
> > 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.

Haha no I need it :D I was just testing what this tool can do. I also
notice that --two-passes seems quite bad to read. But hey I found
something! :D Good to know that you are not using it. I will not use it
then. Thanks.

> 
> regards,
> dan carpenter
> 
> 




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