linux-kernel - Re: [PATCH v4 1/7] clk: actions: Fix factor clk struct member access

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190917200141.B9313214AF@mail.kernel.org>
Date:   Tue, 17 Sep 2019 13:01:40 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        afaerber@...e.de, robh+dt@...nel.org, ulf.hansson@...aro.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        thomas.liau@...ions-semi.com, linux-actions@...ts.infradead.org,
        linus.walleij@...aro.org, linux-clk@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: Re: [PATCH v4 1/7] clk: actions: Fix factor clk struct member access

Quoting Manivannan Sadhasivam (2019-09-16 08:45:40)
> Since the helper "owl_factor_helper_round_rate" is shared between factor
> and composite clocks, using the factor clk specific helper function
> like "hw_to_owl_factor" to access its members will create issues when
> called from composite clk specific code. Hence, pass the "factor_hw"
> struct pointer directly instead of fetching it using factor clk specific
> helpers.
> 
> This issue has been observed when a composite clock like "sd0_clk" tried
> to call "owl_factor_helper_round_rate" resulting in pointer dereferencing
> error.
> 
> While we are at it, let's rename the "clk_val_best" function to
> "owl_clk_val_best" since this is an owl SoCs specific helper.
> 
> Fixes: 4bb78fc9744a ("clk: actions: Add factor clock support")
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Reviewed-by: Stephen Boyd <sboyd@...nel.org>
> ---

Applied to clk-next