| Message ID | 20231205151220.18463-1-adiupina@astralinux.ru (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] cpufreq: scmi: process the result of devm_of_clk_add_hw_provider() | expand |
On 05-12-23, 18:12, Alexandra Diupina wrote: > 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@astralinux.ru> > --- > v2: replace dev_err() with dev_err_probe() as > Christophe JAILLET <christophe.jaillet@wanadoo.fr> suggested > 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 c8a7ccc42c16..4ee23f4ebf4a 100644 > --- a/drivers/cpufreq/scmi-cpufreq.c > +++ b/drivers/cpufreq/scmi-cpufreq.c > @@ -334,8 +334,11 @@ 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); Applied. Thanks.
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index c8a7ccc42c16..4ee23f4ebf4a 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -334,8 +334,11 @@ 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);
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@astralinux.ru> --- v2: replace dev_err() with dev_err_probe() as Christophe JAILLET <christophe.jaillet@wanadoo.fr> suggested drivers/cpufreq/scmi-cpufreq.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)