This is a note to let you know that I've just added the patch titled mtd: partitions: Fix refcount leak in parse_redboot_of 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: mtd-partitions-fix-refcount-leak-in-parse_redboot_of.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 92b2e8da3ec362da8a08550cbbdcce8ec0627306 Author: Miaoqian Lin <linmq006@xxxxxxxxx> Date: Thu May 26 15:06:49 2022 +0400 mtd: partitions: Fix refcount leak in parse_redboot_of [ Upstream commit 9f7e62815cf3cbbcb1b8cb21649fb4dfdb3aa016 ] of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Fixes: 237960880960 ("mtd: partitions: redboot: seek fis-index-block in the right node") Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> Link: https://lore.kernel.org/linux-mtd/20220526110652.64849-1-linmq006@xxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/mtd/parsers/redboot.c b/drivers/mtd/parsers/redboot.c index 3ccd6363ee8c..4f3bcc59a638 100644 --- a/drivers/mtd/parsers/redboot.c +++ b/drivers/mtd/parsers/redboot.c @@ -58,6 +58,7 @@ static void parse_redboot_of(struct mtd_info *master) return; ret = of_property_read_u32(npart, "fis-index-block", &dirblock); + of_node_put(npart); if (ret) return;