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Date:	Tue, 5 May 2015 08:41:06 -0400
From:	Theodore Ts'o <>
To:	Jan Kara <>
Subject: Re: Coverity complaints about new crypto code

On Tue, May 05, 2015 at 09:54:36AM +0200, Jan Kara wrote:
>   Coverity complains about the new ext4 crypto code. The complaint is that
> ext4_fname_crypto_alloc_buffer() and ext4_fname_crypto_namelen_on_disk()
> check for ctx being NULL but they dereference it before that check.
> I've checked and didn't find callers that would actually pass NULL into
> these functions so do we want to remove the unused check or move the
> dereference? I think it would be worth cleaning up just that we don't fall
> into the trap sometime later...

I'm going to be posting a performance patch shortly that drops
ext4_fname_crypto_ctx entirely (and with it those checks, obviously).
So that should take care of that.


						- Ted
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