6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alexandra Diupina <adiupina@xxxxxxxxxxxxx>
[ 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>
---
drivers/cpufreq/scmi-cpufreq.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index f34e6382a4c5..028df8a5f537 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -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);
--
2.43.0
