[PATCH 5.15 659/917] soc: qcom: apr: Add of_node_put() before return

Greg Kroah-Hartman
2021-11-15T23:58:55Z

From: Wan Jiabing <wanjiabing@vivo.com>

[ Upstream commit 72f1aa6205d84337b90b065f602a8fe190821781 ]

Fix following coccicheck warning:

./drivers/soc/qcom/apr.c:485:1-23: WARNING: Function
for_each_child_of_node should have of_node_put() before return

Early exits from for_each_child_of_node should decrement the
node reference counter.

Fixes: 834735662602 ("soc: qcom: apr: Add avs/audio tracking functionality")
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211014083017.19714-1-wanjiabing@vivo.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/soc/qcom/apr.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/soc/qcom/apr.c b/drivers/soc/qcom/apr.c
index 475a57b435b24..2e455d9e3d94a 100644
--- a/drivers/soc/qcom/apr.c
+++ b/drivers/soc/qcom/apr.c
@@ -321,12 +321,14 @@ static int of_apr_add_pd_lookups(struct device *dev)
1, &service_path);
if (ret < 0) {
dev_err(dev, "pdr service path missing: %d\n", ret);
+ of_node_put(node);
return ret;
}

pds = pdr_add_lookup(apr->pdr, service_name, service_path);
if (IS_ERR(pds) && PTR_ERR(pds) != -EALREADY) {
dev_err(dev, "pdr add lookup failed: %ld\n", PTR_ERR(pds));
+ of_node_put(node);
return PTR_ERR(pds);
}
}
--
2.33.0