On Tue Feb 18, 2025 at 1:07 PM -05, Rafael J. Wysocki wrote: > On Sat, Feb 15, 2025 at 3:18 AM Mark Pearson <mpearson-lenovo@xxxxxxxxx> wrote: >> >> >> On Wed, Feb 12, 2025, at 2:30 PM, Kurt Borja wrote: >> > If class_find_device() finds a device it's reference count is >> > incremented. Call put_device() to drop this reference before returning. >> > >> > Fixes: 77be5cacb2c2 ("ACPI: platform_profile: Create class for ACPI >> > platform profile") >> > Signed-off-by: Kurt Borja <kuurtb@xxxxxxxxx> >> > --- >> > drivers/acpi/platform_profile.c | 8 +++++++- >> > 1 file changed, 7 insertions(+), 1 deletion(-) >> > >> > diff --git a/drivers/acpi/platform_profile.c >> > b/drivers/acpi/platform_profile.c >> > index fc92e43d0fe9..2ad53cc6aae5 100644 >> > --- a/drivers/acpi/platform_profile.c >> > +++ b/drivers/acpi/platform_profile.c >> > @@ -417,8 +417,14 @@ static int profile_class_registered(struct device >> > *dev, const void *data) >> > >> > static umode_t profile_class_is_visible(struct kobject *kobj, struct >> > attribute *attr, int idx) >> > { >> > - if (!class_find_device(&platform_profile_class, NULL, NULL, >> > profile_class_registered)) >> > + struct device *dev; >> > + >> > + dev = class_find_device(&platform_profile_class, NULL, NULL, >> > profile_class_registered); >> > + if (!dev) >> > return 0; >> > + >> > + put_device(dev); >> > + >> > return attr->mode; >> > } >> > >> > >> > base-commit: 3e3e377dd1f300bbdd230533686ce9c9f4f8a90d >> > -- >> > 2.48.1 >> Good find. Looks good to me. >> Reviewed-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx> > > Applied as 6.15 material, thanks! Hi Rafael, Thank you! I believe this should be merged as a fix for v6.14-rc4 before commit 77be5cacb2c2 hits stable. -- ~ Kurt