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mfd: max77620: Fix refcount leak in max77620_initialise_fps

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[ Upstream commit 1520669c8255bd637c6b248b2be910e2688d38dd ]

of_get_child_by_name() 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: 327156c59360 ("mfd: max77620: Add core driver for MAX77620/MAX20024")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220601043222.64441-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-06-01 08:32:22 +04:00 committed by Greg Kroah-Hartman
parent d9384f4b9d
commit a29c408140
1 changed files with 2 additions and 0 deletions
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2
drivers/mfd/max77620.c
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@ -419,9 +419,11 @@ static int max77620_initialise_fps(struct max77620_chip *chip)
ret = max77620_config_fps(chip, fps_child);
if (ret < 0) {
of_node_put(fps_child);
of_node_put(fps_np);
return ret;
}
}
of_node_put(fps_np);
config = chip->enable_global_lpm ? MAX77620_ONOFFCNFG2_SLP_LPM_MSK : 0;
ret = regmap_update_bits(chip->rmap, MAX77620_REG_ONOFFCNFG2,