drivers/mtd/maps/physmap-versatile.c | 1 + 1 file changed, 1 insertion(+)
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>
---
drivers/mtd/maps/physmap-versatile.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/mtd/maps/physmap-versatile.c b/drivers/mtd/maps/physmap-versatile.c
index ad7cd9cfaee0..6ba6a1dd127c 100644
--- a/drivers/mtd/maps/physmap-versatile.c
+++ b/drivers/mtd/maps/physmap-versatile.c
@@ -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;
--
2.25.1
On Mon, 2022-05-23 at 14:32:55 UTC, Miaoqian Lin wrote: > 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> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks. Miquel
On Mon, May 23, 2022 at 4:33 PM Miaoqian Lin <linmq006@gmail.com> wrote: > 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> Yours, Linus Walleij
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