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mtd: maps: Fix refcount leak in of_flash_probe_versatile

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[ Upstream commit 33ec82a6d2 ]

of_find_matching_node_and_match() 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/20220523140205.48625-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-05-23 18:02:05 +04:00 committed by Greg Kroah-Hartman
parent 22e778c073
commit 3c8de6a838
1 changed files with 1 additions and 0 deletions
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drivers/mtd/maps/physmap_of_versatile.c
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@ -221,6 +221,7 @@ int of_flash_probe_versatile(struct platform_device *pdev,
versatile_flashprot = (enum versatile_flashprot)devid->data;
rmap = syscon_node_to_regmap(sysnp);
of_node_put(sysnp);
if (IS_ERR(rmap))
return PTR_ERR(rmap);