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Date: Tue, 22 Sep 2020 12:16:41 -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: [PATCH] clk: tegra: Drop !provider check in tegra210_clk_emc_set_rate() 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> --- drivers/clk/tegra/clk-tegra210-emc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/tegra/clk-tegra210-emc.c b/drivers/clk/tegra/clk-tegra210-emc.c index 352a2c3fc374..971c919b2994 100644 --- a/drivers/clk/tegra/clk-tegra210-emc.c +++ b/drivers/clk/tegra/clk-tegra210-emc.c @@ -126,7 +126,7 @@ static int tegra210_clk_emc_set_rate(struct clk_hw *hw, unsigned long rate, unsigned int i; int err; - if (!provider || !provider->configs || provider->num_configs == 0) + if (!provider->configs || provider->num_configs == 0) return -EINVAL; for (i = 0; i < provider->num_configs; i++) { base-commit: 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 -- https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/
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