Commit 80b1465b authored May 23, 2022 by Miaoqian Lin Committed by Greg Kroah-Hartman Aug 25, 2022

mtd: maps: Fix refcount leak in ap_flash_init



[ Upstream commit 77087a04c8fd554134bddcb8a9ff87b21f357926 ]

of_find_matching_node() 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: b0afd44b ("mtd: physmap_of: add a hook for Versatile write protection")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220523143255.4376-1-linmq006@gmail.com


Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 9124d51e

drivers/mtd/maps/physmap-versatile.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -93,6 +93,7 @@ static int ap_flash_init(struct platform_device *pdev)
		return -ENODEV;
		}
		ebi_base = of_iomap(ebi, 0);
		of_node_put(ebi);
		if (!ebi_base)
		return -ENODEV;