[PATCH 0/2] rpmsg: use put_device() if device_register fail

[PATCH 0/2] rpmsg: use put_device() if device_register fail

[Arvind Yadav]

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


Arvind Yadav (2):
  [PATCH 1/2] rpmsg: glink: use put_device() if device_register fail
  [PATCH 2/2] rpmsg: smd: use put_device() if device_register fail

 drivers/rpmsg/qcom_glink_smem.c | 3 ++-
 drivers/rpmsg/qcom_smd.c        | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

-- 
1.9.1

[PATCH 1/2] rpmsg: glink: use put_device() if device_register fail

[Arvind Yadav]

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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 drivers/rpmsg/qcom_glink_smem.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rpmsg/qcom_glink_smem.c b/drivers/rpmsg/qcom_glink_smem.c
index 892f2b9..3fa9d43 100644
--- a/drivers/rpmsg/qcom_glink_smem.c
+++ b/drivers/rpmsg/qcom_glink_smem.c
@@ -217,6 +217,7 @@ struct qcom_glink *qcom_glink_smem_register(struct device *parent,
 	ret = device_register(dev);
 	if (ret) {
 		pr_err("failed to register glink edge\n");
+		put_device(dev);
 		return ERR_PTR(ret);
 	}
 
@@ -299,7 +300,7 @@ struct qcom_glink *qcom_glink_smem_register(struct device *parent,
 	return glink;
 
 err_put_dev:
-	put_device(dev);
+	device_unregister(dev);
 
 	return ERR_PTR(ret);
 }
-- 
1.9.1

[PATCH 2/2] rpmsg: smd: use put_device() if device_register fail

[Arvind Yadav]

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>
---
 drivers/rpmsg/qcom_smd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 92d0c6a..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);
-- 
1.9.1

Re: [PATCH 0/2] rpmsg: use put_device() if device_register fail

[Bjorn Andersson]

On Thu 08 Mar 01:36 PST 2018, Arvind Yadav wrote:

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

Patches applied.

Thanks,
Bjorn

> 
> Arvind Yadav (2):
>   [PATCH 1/2] rpmsg: glink: use put_device() if device_register fail
>   [PATCH 2/2] rpmsg: smd: use put_device() if device_register fail
> 
>  drivers/rpmsg/qcom_glink_smem.c | 3 ++-
>  drivers/rpmsg/qcom_smd.c        | 3 ++-
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 
> -- 
> 1.9.1
>