On Wed, Nov 30, 2016 at 10:53:55PM +0100, Rafael J. Wysocki wrote: > On Wed, Nov 30, 2016 at 8:22 PM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > > We should return -EINVAL if get_cpu_device() fails. > > > > Fixes: 158c998ea44b ("ACPI / CPPC: add sysfs support to compute delivered performance") > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > > > diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c > > index d0d0504..e0ea8f5 100644 > > --- a/drivers/acpi/cppc_acpi.c > > +++ b/drivers/acpi/cppc_acpi.c > > @@ -784,8 +784,10 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) > > > > /* Add per logical CPU nodes for reading its feedback counters. */ > > cpu_dev = get_cpu_device(pr->id); > > - if (!cpu_dev) > > + if (!cpu_dev) { > > + ret = -EINVAL; > > ret is initialized here AFAICS. > > Do you that its value is not the right one? I'm looking at linux-next. It's set to zero but we presumably want to return an error code. regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html