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authorMiaoqian Lin <linmq006@gmail.com>2022-05-23 17:32:55 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-08-25 12:15:13 +0300
commitd10855876a6f47add6ff621cef25cc0171dac162 (patch)
treed4d732b000a4e9f2eca2c6bc942b5edfafa28ec3 /drivers/mtd
parent79e57889aa0d92a6d769bad808fb105e7b6ea495 (diff)
downloadlinux-d10855876a6f47add6ff621cef25cc0171dac162.tar.xz
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: b0afd44bc192 ("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>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/maps/physmap_of_versatile.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mtd/maps/physmap_of_versatile.c b/drivers/mtd/maps/physmap_of_versatile.c
index 961704228dd2..7d56e97bd50f 100644
--- a/drivers/mtd/maps/physmap_of_versatile.c
+++ b/drivers/mtd/maps/physmap_of_versatile.c
@@ -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;