This is a note to let you know that I've just added the patch titled parisc: pdc_stable: Fix memory leak in pdcs_register_pathentries to the 4.19-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: parisc-pdc_stable-fix-memory-leak-in-pdcs_register_pathentries.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From d24846a4246b6e61ecbd036880a4adf61681d241 Mon Sep 17 00:00:00 2001 From: Miaoqian Lin <linmq006@xxxxxxxxx> Date: Thu, 20 Jan 2022 12:18:12 +0000 Subject: parisc: pdc_stable: Fix memory leak in pdcs_register_pathentries MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Miaoqian Lin <linmq006@xxxxxxxxx> commit d24846a4246b6e61ecbd036880a4adf61681d241 upstream. kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add(): If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix memory leak by calling kobject_put(). Fixes: 73f368cf679b ("Kobject: change drivers/parisc/pdc_stable.c to use kobject_init_and_add") Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx> Signed-off-by: Helge Deller <deller@xxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/parisc/pdc_stable.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/parisc/pdc_stable.c +++ b/drivers/parisc/pdc_stable.c @@ -992,8 +992,10 @@ pdcs_register_pathentries(void) entry->kobj.kset = paths_kset; err = kobject_init_and_add(&entry->kobj, &ktype_pdcspath, NULL, "%s", entry->name); - if (err) + if (err) { + kobject_put(&entry->kobj); return err; + } /* kobject is now registered */ write_lock(&entry->rw_lock); Patches currently in stable-queue which might be from linmq006@xxxxxxxxx are queue-4.19/parisc-pdc_stable-fix-memory-leak-in-pdcs_register_pathentries.patch queue-4.19/spi-spi-meson-spifc-add-missing-pm_runtime_disable-i.patch