This is a note to let you know that I've just added the patch titled platform/x86: intel_pmc_core: fix memleak on registration failure to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: platform-x86-intel_pmc_core-fix-memleak-on-registration-failure.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 26a8b09437804fabfb1db080d676b96c0de68e7c Mon Sep 17 00:00:00 2001 From: Johan Hovold <johan@xxxxxxxxxx> Date: Wed, 22 Dec 2021 11:50:23 +0100 Subject: platform/x86: intel_pmc_core: fix memleak on registration failure From: Johan Hovold <johan@xxxxxxxxxx> commit 26a8b09437804fabfb1db080d676b96c0de68e7c upstream. In case device registration fails during module initialisation, the platform device structure needs to be freed using platform_device_put() to properly free all resources (e.g. the device name). Fixes: 938835aa903a ("platform/x86: intel_pmc_core: do not create a static struct device") Cc: stable@xxxxxxxxxxxxxxx # 5.9 Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20211222105023.6205-1-johan@xxxxxxxxxx Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/platform/x86/intel_pmc_core_pltdrv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/platform/x86/intel_pmc_core_pltdrv.c +++ b/drivers/platform/x86/intel_pmc_core_pltdrv.c @@ -65,7 +65,7 @@ static int __init pmc_core_platform_init retval = platform_device_register(pmc_core_device); if (retval) - kfree(pmc_core_device); + platform_device_put(pmc_core_device); return retval; } Patches currently in stable-queue which might be from johan@xxxxxxxxxx are queue-5.10/platform-x86-intel_pmc_core-fix-memleak-on-registration-failure.patch