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mtd: maps: Fix refcount leak in ap_flash_init

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[ Upstream commit 77087a04c8 ]

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: b0afd44bc1 ("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>
This commit is contained in:
Miaoqian Lin 2022-05-23 18:32:55 +04:00 committed by Greg Kroah-Hartman
parent 79e57889aa
commit d10855876a
1 changed files with 1 additions and 0 deletions
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drivers/mtd/maps/physmap_of_versatile.c
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@ -107,6 +107,7 @@ 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;