This is a note to let you know that I've just added the patch titled mISDN: fix misuse of put_device() in mISDN_register_device() to the 5.4-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: misdn-fix-misuse-of-put_device-in-misdn_register_dev.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 15e9d49440e4b59c58ea4ef1719e84cb70a80ade Author: Wang ShaoBo <bobo.shaobowang@xxxxxxxxxx> Date: Thu Nov 10 19:38:23 2022 +0800 mISDN: fix misuse of put_device() in mISDN_register_device() [ Upstream commit 2d25107e111a85c56f601a5470f1780ec054e6ac ] We should not release reference by put_device() before calling device_initialize(). Fixes: e7d1d4d9ac0d ("mISDN: fix possible memory leak in mISDN_register_device()") Signed-off-by: Wang ShaoBo <bobo.shaobowang@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c index 7ea0100f218a..90ee56d07a6e 100644 --- a/drivers/isdn/mISDN/core.c +++ b/drivers/isdn/mISDN/core.c @@ -222,7 +222,7 @@ mISDN_register_device(struct mISDNdevice *dev, err = get_free_devid(); if (err < 0) - goto error1; + return err; dev->id = err; device_initialize(&dev->dev);