commit be5acd246daa04edad9d758b8be37e5e2f989243
author Arvind Yadav <arvind.yadav.cs@gmail.com> Thu Mar 08 15:06:08 2018 +0530
committer Bjorn Andersson <bjorn.andersson@linaro.org> Sat Mar 17 21:46:19 2018 -0700
tree 61d18172da5c4144e22bcc2ae3d2002d779119a8
parent a9011726c4bb37e5d6a7279bf47fcc19cd9d3e1a

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>

drivers/rpmsg/qcom_smd.c

diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 92d0c6a7..ff8101a 100644
--- 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);