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References: <20191127095459.168324-1-zenczykowski@gmail.com>
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From:   Iurii Zaikin <yzaikin@google.com>
Date:   Mon, 2 Dec 2019 10:44:03 -0800
Message-ID: <CAAXuY3oZSMYd8_f9dDSf_oktnC0oS6yKBJWOmcMi4Jn6C0MkkA@mail.gmail.com>
Subject: Re: [PATCH] proc_do_large_bitmap - return error on writes to
 non-existant bitmap
To:     =?UTF-8?Q?Maciej_=C5=BBenczykowski?= <zenczykowski@gmail.com>
Cc:     =?UTF-8?Q?Maciej_=C5=BBenczykowski?= <maze@google.com>,
        Luis Chamberlain <mcgrof@kernel.org>,
        Kees Cook <keescook@chromium.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linus FS Devel Mailing List <linux-fsdevel@vger.kernel.org>
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On Wed, Nov 27, 2019 at 1:55 AM Maciej =C5=BBenczykowski
<zenczykowski@gmail.com> wrote:
> We return ENOMEDIUM 'No medium found', because it's the best error
> I could come up with to describe the situation.
EFAULT for bitmap =3D=3D NULL and
EINVAL for bitmap_len =3D=3D 0?