Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Tue, 9 Jun 2020 07:34:45 -0700
From:   Matthew Wilcox <willy@infradead.org>
To:     Scott Branden <scott.branden@broadcom.com>
Cc:     Luis Chamberlain <mcgrof@kernel.org>,
        Wolfram Sang <wsa@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        David Brown <david.brown@linaro.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Shuah Khan <shuah@kernel.org>, bjorn.andersson@linaro.org,
        Shuah Khan <skhan@linuxfoundation.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Mimi Zohar <zohar@linux.ibm.com>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        linux-fsdevel@vger.kernel.org,
        BCM Kernel Feedback <bcm-kernel-feedback-list@broadcom.com>,
        Olof Johansson <olof@lixom.net>,
        Andrew Morton <akpm@linux-foundation.org>,
        Dan Carpenter <dan.carpenter@oracle.com>,
        Colin Ian King <colin.king@canonical.com>,
        Kees Cook <keescook@chromium.org>,
        Takashi Iwai <tiwai@suse.de>, linux-kselftest@vger.kernel.org,
        Andy Gross <agross@kernel.org>,
        linux-integrity@vger.kernel.org,
        linux-security-module@vger.kernel.org
Subject: Re: [PATCH v7 2/8] firmware: add offset to request_firmware_into_buf
Message-ID: <20200609143445.GD19604@bombadil.infradead.org>
References: <20200606050458.17281-1-scott.branden@broadcom.com>
 <20200606050458.17281-3-scott.branden@broadcom.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20200606050458.17281-3-scott.branden@broadcom.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Fri, Jun 05, 2020 at 10:04:52PM -0700, Scott Branden wrote:
>  static struct fw_priv *__allocate_fw_priv(const char *fw_name,
>  					  struct firmware_cache *fwc,
> -					  void *dbuf, size_t size)
> +					  void *dbuf, size_t size,
> +					  size_t offset,
> +					  enum kernel_pread_opt opt)
>  {

Your types are screwed up.  size_t is the size of something in memory.
loff_t is an offset in a file.  This should be an loff_t.  One of the
other patches has the opposite problem.

(this is kind of a minor problem compared to all the complexity
problems, but it's worth mentioning)