Revert "net: context: Check if conn_handler exists when binding"

This reverts commit da5c7b6.

This patch has been causing issues with tcp clients, especially

ZEP-1894

Change-Id: I46ceb71ef81a69cc4ffbbfe60e5dd54c0f59f43c
Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

subsys/net/ip/net_context.c

@@ -443,16 +443,6 @@ int net_context_bind(struct net_context *context, const struct sockaddr *addr,
 	NET_ASSERT(addr);
 	NET_ASSERT(PART_OF_ARRAY(contexts, context));
 
-	/* If we already have connection handler, then it effectively
-	 * means that it's already bound to an interface/port, and we
-	 * don't support rebinding connection to new address/port in
-	 * the code below.
-	 * TODO: Support rebinding.
-	 */
-	if (context->conn_handler) {
-		return -EISCONN;
-	}
-
 #if defined(CONFIG_NET_IPV6)
 	if (addr->family == AF_INET6) {
 		struct net_if *iface = NULL;