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authorMiaoqian Lin <linmq006@gmail.com>2022-06-02 06:24:30 +0200
committerBjorn Andersson <bjorn.andersson@linaro.org>2022-07-01 04:50:46 +0200
commit92a563fcf14b3093226fb36f12e9b5cf630c5a5d (patch)
tree83ec0697ce52459b041cca7f8ea511c72511d488 /drivers/soc
parentdt-bindings: soc: qcom,wcnss: remove unneeded ref for names (diff)
downloadlinux-92a563fcf14b3093226fb36f12e9b5cf630c5a5d.tar.xz
linux-92a563fcf14b3093226fb36f12e9b5cf630c5a5d.zip
soc: qcom: ocmem: Fix refcount leak in of_get_ocmem
of_parse_phandle() 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. of_node_put() will check NULL pointer. Fixes: 88c1e9404f1d ("soc: qcom: add OCMEM driver") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Brian Masney <masneyb@onstation.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220602042430.1114-1-linmq006@gmail.com
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/qcom/ocmem.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c
index 97fd24c178f8..c92d26b73e6f 100644
--- a/drivers/soc/qcom/ocmem.c
+++ b/drivers/soc/qcom/ocmem.c
@@ -194,14 +194,17 @@ struct ocmem *of_get_ocmem(struct device *dev)
devnode = of_parse_phandle(dev->of_node, "sram", 0);
if (!devnode || !devnode->parent) {
dev_err(dev, "Cannot look up sram phandle\n");
+ of_node_put(devnode);
return ERR_PTR(-ENODEV);
}
pdev = of_find_device_by_node(devnode->parent);
if (!pdev) {
dev_err(dev, "Cannot find device node %s\n", devnode->name);
+ of_node_put(devnode);
return ERR_PTR(-EPROBE_DEFER);
}
+ of_node_put(devnode);
ocmem = platform_get_drvdata(pdev);
if (!ocmem) {