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cpufreq: scmi: process the result of devm_of_clk_add_hw_provider() 

[ Upstream commit c4a5118a3a ]

devm_of_clk_add_hw_provider() may return an errno, so
add a return value check

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 8410e7f3b3 ("cpufreq: scmi: Fix OPP addition failure with a dummy clock provider")
Signed-off-by: Alexandra Diupina <adiupina@astralinux.ru>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alexandra Diupina 2023-12-05 18:12:20 +03:00 committed by Greg Kroah-Hartman
parent 04fc66dd2b
commit 71f47a52ba
1 changed files with 5 additions and 2 deletions
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7
drivers/cpufreq/scmi-cpufreq.c
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@ -310,8 +310,11 @@ static int scmi_cpufreq_probe(struct scmi_device *sdev)
#ifdef CONFIG_COMMON_CLK
/* dummy clock provider as needed by OPP if clocks property is used */
if (of_property_present(dev->of_node, "#clock-cells"))
devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, NULL);
if (of_property_present(dev->of_node, "#clock-cells")) {
ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, NULL);
if (ret)
return dev_err_probe(dev, ret, "%s: registering clock provider failed\n", __func__);
}
#endif
ret = cpufreq_register_driver(&scmi_cpufreq_driver);