linux-kernel - Re: [PATCH] clk: tegra: Drop !provider check in tegra210_clk_emc_set

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Message-ID: <160090557506.310579.8483856369527418212@swboyd.mtv.corp.google.com>
Date:   Wed, 23 Sep 2020 16:59:35 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        Joseph Lo <josephl@...dia.com>,
        Thierry Reding <treding@...dia.com>
Subject: Re: [PATCH] clk: tegra: Drop !provider check in tegra210_clk_emc_set_rate()

Quoting Stephen Boyd (2020-09-22 12:16:41)
> The provider variable is already dereferenced earlier in this function.
> Drop the check for NULL as it is impossible.
> 
> Found with smatch
> 
> drivers/clk/tegra/clk-tegra210-emc.c:131 tegra210_clk_emc_set_rate() warn: variable dereferenced before check 'provider' (see line 124)
> 
> Cc: Joseph Lo <josephl@...dia.com>
> Cc: Thierry Reding <treding@...dia.com>
> Fixes: 0ac65fc946d3 ("clk: tegra: Implement Tegra210 EMC clock")
> Signed-off-by: Stephen Boyd <sboyd@...nel.org>
> ---

Applied to clk-next