Fixes a memory leak that is caused because the client message queue is not unlinked after the client disconnects from the NX server.

libnx/nxmu/nx_connect.c

@@ -60,8 +60,8 @@
  ****************************************************************************/
 
 /* Each client is assigned a unique ID using the g_nxcid counter.  That
- * counter increments as each new counter is created and is* protected for
+ * counter increments as each new counter is created and is protected for
- * thread safefy with g_nxlibsem.  Note that these are the only global values
+ * thread safety with g_nxlibsem.  Note that these are the only global values
  * in the NX implementation.  This is because the client ID must be unique
  * even across all server instances.
  *

libnx/nxmu/nx_disconnect.c

@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <stdio.h>
 #include <mqueue.h>
 #include <errno.h>
 #include <debug.h>
@@ -70,6 +71,7 @@ void nx_disconnect(NXHANDLE handle)
 {
   FAR struct nxfe_conn_s *conn = (FAR struct nxfe_conn_s *)handle;
   struct nxsvrmsg_s       outmsg;
+  char                    climqname[NX_CLIENT_MXNAMELEN];
   int                     ret;
 
   /* Inform the server that this client no longer exists */
@@ -84,4 +86,10 @@ void nx_disconnect(NXHANDLE handle)
     {
       gerr("ERROR: nxmu_sendserver() returned %d\n", ret);
     }
+  else
+    {
+      snprintf(climqname, sizeof(climqname),
+               NX_CLIENT_MQNAMEFMT, conn->cid);
+      (void)mq_unlink(climqname);
+    }
 }