Merging upstream version 4.19.269.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index a3f6933f9..ccfa5ceb4 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -508,13 +508,17 @@ static void vmbus_add_channel_work(struct work_struct *work)
 	 * Add the new device to the bus. This will kick off device-driver
 	 * binding which eventually invokes the device driver's AddDevice()
 	 * method.
+	 *
+	 * If vmbus_device_register() fails, the 'device_obj' is freed in
+	 * vmbus_device_release() as called by device_unregister() in the
+	 * error path of vmbus_device_register(). In the outside error
+	 * path, there's no need to free it.
 	 */
 	ret = vmbus_device_register(newchannel->device_obj);
 
 	if (ret != 0) {
 		pr_err("unable to add child device object (relid %d)\n",
 			newchannel->offermsg.child_relid);
-		kfree(newchannel->device_obj);
 		goto err_deq_chan;
 	}