[PATCH 5.4 143/389] i2c: mux-gpmux: Add of_node_put() when breaking out of loop

From: Greg Kroah-Hartman
Date: Tue Aug 23 2022 - 07:27:44 EST


From: Liang He <windhl@xxxxxxx>

[ Upstream commit 6435319c34704994e19b0767f6a4e6f37439867b ]

In i2c_mux_probe(), we should call of_node_put() when breaking out
of for_each_child_of_node() which will automatically increase and
decrease the refcount.

Fixes: ac8498f0ce53 ("i2c: i2c-mux-gpmux: new driver")
Signed-off-by: Liang He <windhl@xxxxxxx>
Acked-by: Peter Rosin <peda@xxxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/i2c/muxes/i2c-mux-gpmux.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c
index f830535cff12..480ec74e6134 100644
--- a/drivers/i2c/muxes/i2c-mux-gpmux.c
+++ b/drivers/i2c/muxes/i2c-mux-gpmux.c
@@ -138,6 +138,7 @@ static int i2c_mux_probe(struct platform_device *pdev)
return 0;

err_children:
+ of_node_put(child);
i2c_mux_del_adapters(muxc);
err_parent:
i2c_put_adapter(parent);
--
2.35.1