rpmsg: glink: Remove channel decouple from rpdev release

If a channel is being rapidly restarting and the kobj release worker is
busy, there is a chance the rpdev_release function will run after the
channel struct itself has been released.

There should not be a need to decouple the channel from rpdev in the
rpdev release since that should only happen from the close commands.

Signed-off-by: Chris Lew <[email protected]>
Signed-off-by: Deepak Kumar Singh <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: Chris Lew

drivers/rpmsg/qcom_glink_native.c

@@ -1417,9 +1417,7 @@ static const struct rpmsg_endpoint_ops glink_endpoint_ops = {
 static void qcom_glink_rpdev_release(struct device *dev)
 {
 	struct rpmsg_device *rpdev = to_rpmsg_device(dev);
-	struct glink_channel *channel = to_glink_channel(rpdev->ept);
 
-	channel->rpdev = NULL;
 	kfree(rpdev);
 }