[PATCH 5.16 0313/1017] soc: qcom: ocmem: Fix missing put_device() call in of_get_ocmem

Greg Kroah-Hartman
2022-04-05T09:13:24Z

From: Miaoqian Lin <linmq006@gmail.com>

[ Upstream commit 0ff027027e05a866491bbb53494f0e2a61354c85 ]

The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore.
Add the corresponding 'put_device()' in the error handling path.

Fixes: 01f937ffc468 ("soc: qcom: ocmem: don't return NULL in of_get_ocmem")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220107073126.2335-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/soc/qcom/ocmem.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c
index d2dacbbaafbd..97fd24c178f8 100644
--- a/drivers/soc/qcom/ocmem.c
+++ b/drivers/soc/qcom/ocmem.c
@@ -206,6 +206,7 @@ struct ocmem *of_get_ocmem(struct device *dev)
ocmem = platform_get_drvdata(pdev);
if (!ocmem) {
dev_err(dev, "Cannot get ocmem\n");
+ put_device(&pdev->dev);
return ERR_PTR(-ENODEV);
}
return ocmem;
--
2.34.1