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regulator: of: Fix refcount leak bug in of_get_regulation_constraints()
[ Upstream commit66efb665cd
] We should call the of_node_put() for the reference returned by of_get_child_by_name() which has increased the refcount. Fixes:40e20d68bb
("regulator: of: Add support for parsing regulator_state for suspend state") Signed-off-by: Liang He <windhl@126.com> Link: https://lore.kernel.org/r/20220715111027.391032-1-windhl@126.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 5 additions and 1 deletions
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@ -264,8 +264,12 @@ static int of_get_regulation_constraints(struct device *dev,
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}
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suspend_np = of_get_child_by_name(np, regulator_states[i]);
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if (!suspend_np || !suspend_state)
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if (!suspend_np)
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continue;
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if (!suspend_state) {
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of_node_put(suspend_np);
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continue;
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}
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if (!of_property_read_u32(suspend_np, "regulator-mode",
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&pval)) {
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