rpmsg: smd: use put_device() if device_register fail

if device_register() returned an error! Always use put_device()
to give up the reference initialized. unregister device for
other return error.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 92d0c6a..ff8101a 100644 (file)
--- a/drivers/rpmsg/qcom_smd.c
+++ b/drivers/rpmsg/qcom_smd.c
@@ -1408,6 +1408,7 @@ struct qcom_smd_edge *qcom_smd_register_edge(struct device *parent,
        ret = device_register(&edge->dev);
        if (ret) {
                pr_err("failed to register smd edge\n");
+               put_device(&edge->dev);
                return ERR_PTR(ret);
        }
 
@@ -1428,7 +1429,7 @@ struct qcom_smd_edge *qcom_smd_register_edge(struct device *parent,
        return edge;
 
 unregister_dev:
-       put_device(&edge->dev);
+       device_unregister(&edge->dev);
        return ERR_PTR(ret);
 }
 EXPORT_SYMBOL(qcom_smd_register_edge);