anchao commented on code in PR #17395:
URL: https://github.com/apache/nuttx/pull/17395#discussion_r2575600272
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drivers/rpmsg/rpmsg_ping.c:
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@@ -162,7 +167,7 @@ static int rpmsg_ping_once(FAR struct rpmsg_endpoint *ept,
int len,
msg->cookie = (uintptr_t)&sem;
nxsem_init(&sem, 0, 0);
- ret = rpmsg_send_nocopy(ept, msg, msg->len);
+ ret = rpmsg_sendto_nocopy(ept, msg, msg->len);
Review Comment:
Because endpoint checks can involve race conditions, to avoid holding
critical sections, the endpoint state is checked in 2 phases.
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