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authorMiaoqian Lin <linmq006@gmail.com>2022-06-01 16:01:18 +0400
committerKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2022-06-06 11:17:14 +0200
commit038ae37c510fd57cbc543ac82db1e7b23b28557a (patch)
treedb3877a4271cc1fb6f734f5cae5ee97391d06f7b /drivers/memory
parent67c7fc6cd915d809be4de2eed323aa5f2205c52f (diff)
downloadlinux-038ae37c510fd57cbc543ac82db1e7b23b28557a.tar.gz
memory: mtk-smi: add missing put_device() call in mtk_smi_device_link_common
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 paths. Fixes: 47404757702e ("memory: mtk-smi: Add device link for smi-sub-common") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r/20220601120118.60225-1-linmq006@gmail.com Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Diffstat (limited to 'drivers/memory')
-rw-r--r--drivers/memory/mtk-smi.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 86a3d34f418e83..4c5154e0bf00ca 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -404,13 +404,16 @@ static int mtk_smi_device_link_common(struct device *dev, struct device **com_de
of_node_put(smi_com_node);
if (smi_com_pdev) {
/* smi common is the supplier, Make sure it is ready before */
- if (!platform_get_drvdata(smi_com_pdev))
+ if (!platform_get_drvdata(smi_com_pdev)) {
+ put_device(&smi_com_pdev->dev);
return -EPROBE_DEFER;
+ }
smi_com_dev = &smi_com_pdev->dev;
link = device_link_add(dev, smi_com_dev,
DL_FLAG_PM_RUNTIME | DL_FLAG_STATELESS);
if (!link) {
dev_err(dev, "Unable to link smi-common dev\n");
+ put_device(&smi_com_pdev->dev);
return -ENODEV;
}
*com_dev = smi_com_dev;