Hi, On 12/28/23 09:42, Markus Elfring wrote: > From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> > Date: Thu, 28 Dec 2023 09:30:54 +0100 > > The kfree() function was called in one case by > the apmf_sbios_heartbeat_notify() function during error handling > even if the passed variable contained a null pointer. > This issue was detected by using the Coccinelle software. > > * Thus return directly after a call of the function “apmf_if_call” failed > at the beginning. > > * Delete the label “out” which became unnecessary with this refactoring. > > Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> Thank you for your patch, I've applied this patch to my review-hans branch: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans Note it will show up in my review-hans branch once I've pushed my local branch there, which might take a while. Once I've run some tests on this branch the patches there will be added to the platform-drivers-x86/for-next branch and eventually will be included in the pdx86 pull-request to Linus for the next merge-window. Regards, Hans > --- > drivers/platform/x86/amd/pmf/acpi.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c > index 4ec7957eb707..eb367e38c5ab 100644 > --- a/drivers/platform/x86/amd/pmf/acpi.c > +++ b/drivers/platform/x86/amd/pmf/acpi.c > @@ -135,11 +135,9 @@ static void apmf_sbios_heartbeat_notify(struct work_struct *work) > dev_dbg(dev->dev, "Sending heartbeat to SBIOS\n"); > info = apmf_if_call(dev, APMF_FUNC_SBIOS_HEARTBEAT, NULL); > if (!info) > - goto out; > + return; > > schedule_delayed_work(&dev->heart_beat, msecs_to_jiffies(dev->hb_interval * 1000)); > - > -out: > kfree(info); > } > > -- > 2.43.0 > >