openamp/0007-openamp-avoid-double-calling-ns_bound-when-each-othe.patch

From 0e77783658066c02903cc6693460f3bb577e3030 Mon Sep 17 00:00:00 2001
From: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
Date: Mon, 11 Apr 2022 13:31:35 +0800
Subject: [PATCH 07/10] openamp: avoid double calling ns_bound when each other
 calls create_ept

VELAPLATFO-1522

Change-Id: I78c027e3fcaf54126b75358b91b557e477955964
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
---
 lib/rpmsg/rpmsg_virtio.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/lib/rpmsg/rpmsg_virtio.c open-amp/lib/rpmsg/rpmsg_virtio.c
index efbcd68d..49817799 100644
--- a/lib/rpmsg/rpmsg_virtio.c
+++ open-amp/lib/rpmsg/rpmsg_virtio.c
@@ -652,7 +652,7 @@ static int rpmsg_virtio_ns_callback(struct rpmsg_endpoint *ept, void *data,
 			metal_mutex_release(&rdev->lock);
 			if (rdev->ns_bind_cb)
 				rdev->ns_bind_cb(rdev, name, dest);
-		} else {
+		} else if (_ept->dest_addr == RPMSG_ADDR_ANY) {
 			_ept->dest_addr = dest;
 			metal_mutex_release(&rdev->lock);
 			if (_ept->name[0] && rdev->support_ack)
@@ -662,14 +662,19 @@ static int rpmsg_virtio_ns_callback(struct rpmsg_endpoint *ept, void *data,
 			if (_ept->ns_bound_cb)
 				_ept->ns_bound_cb(_ept);
 		}
+		else
+			metal_mutex_release(&rdev->lock);
 	} else { /* RPMSG_NS_CREATE_ACK */
 		/* save the received destination address */
-		if (_ept)
+		if (_ept && _ept->dest_addr == RPMSG_ADDR_ANY) {
 			_ept->dest_addr = dest;
-		metal_mutex_release(&rdev->lock);
-		/* notify application that the endpoint has been bound */
-		if (_ept && _ept->ns_bound_cb)
-			_ept->ns_bound_cb(_ept);
+			metal_mutex_release(&rdev->lock);
+			/* notify application that the endpoint has been bound */
+			if (_ept->ns_bound_cb)
+				_ept->ns_bound_cb(_ept);
+		}
+		else
+			metal_mutex_release(&rdev->lock);
 	}
 
 	return RPMSG_SUCCESS;
-- 
2.25.1