Patch "cpufreq: scmi: process the result of devm_of_clk_add_hw_provider()" has been added to the 5.15-stable tree

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This is a note to let you know that I've just added the patch titled

    cpufreq: scmi: process the result of devm_of_clk_add_hw_provider()

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     cpufreq-scmi-process-the-result-of-devm_of_clk_add_h.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit acceff7eda377dc368c7e3f1cd0ae3f96a0f1e69
Author: Alexandra Diupina <adiupina@xxxxxxxxxxxxx>
Date:   Tue Dec 5 18:12:20 2023 +0300

    cpufreq: scmi: process the result of devm_of_clk_add_hw_provider()
    
    [ Upstream commit c4a5118a3ae1eadc687d84eef9431f9e13eb015c ]
    
    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: 8410e7f3b31e ("cpufreq: scmi: Fix OPP addition failure with a dummy clock provider")
    Signed-off-by: Alexandra Diupina <adiupina@xxxxxxxxxxxxx>
    Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index 82e588c3c57b..c24e6373d341 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -299,8 +299,11 @@ 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);




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