Hi, On 9/25/23 16:28, Armin Wolf wrote: > If a duplicate attribute is found using kset_find_obj(), a reference > to that attribute is returned which needs to be disposed accordingly > using kobject_put(). This issue likely first appeared inside the > dell-wmi-sysman driver, see > commit 7295a996fdab ("platform/x86: dell-sysman: Fix reference leak"). > However, it also seems that the bug was copied from this driver into > the think-lmi and hp-bioscfg drivers. Maybe a more abstract > fw_attr_class could prevent such issues in the future by abstracting > away the kobject handling? > > Armin Wolf (2): > platform/x86: think-lmi: Fix reference leak > platform/x86: hp-bioscfg: Fix reference leak Thank you for your patch/series, I've applied this patch (series) to the pdx86 fixes branch: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=fixes Note it will show up in the pdx86 fixes branch once I've pushed my local branch there, which might take a while. I will include this patch in my next fixes pull-req to Linus for the current kernel development cycle. Regards, Hans > drivers/platform/x86/hp/hp-bioscfg/bioscfg.c | 14 ++++++++---- > drivers/platform/x86/think-lmi.c | 24 ++++++++++++++++---- > 2 files changed, 30 insertions(+), 8 deletions(-) > > -- > 2.39.2 >