Cosmetic changes to comments; refresh configuration

configs/dk-tm4c129x/nsh/defconfig

@@ -974,6 +974,14 @@ CONFIG_NSH_NETINIT_SIGNO=18
 CONFIG_NSH_NETINIT_RETRYMSEC=2000
 CONFIG_NSH_NETINIT_THREAD_STACKSIZE=1568
 CONFIG_NSH_NETINIT_THREAD_PRIORITY=100
+
+#
+# IP Address Configuration
+#
+
+#
+# IPv4 Addresses
+#
 CONFIG_NSH_IPADDR=0x0a000002
 CONFIG_NSH_DRIPADDR=0x0a000001
 CONFIG_NSH_NETMASK=0xffffff00

net/tcp/tcp_send_buffered.c

@@ -1035,7 +1035,7 @@ ssize_t psock_tcp_send(FAR struct socket *psock, FAR const void *buf,
 
   psock->s_flags = _SS_SETSTATE(psock->s_flags, _SF_IDLE);
 
-  /* Check for a errors.  Errors are signaled by negative errno values
+  /* Check for errors.  Errors are signalled by negative errno values
    * for the send length
    */
 

net/utils/net_lock.c

@@ -199,7 +199,7 @@ int net_lockedwait(sem_t *sem)
   sched_lock();      /* No context switches */
   if (g_holder == me)
     {
-      /* Release the uIP semaphore, remembering the count */
+      /* Release the network lock, remembering my count */
 
       count    = g_count;
       g_holder = NO_HOLDER;
@@ -210,7 +210,7 @@ int net_lockedwait(sem_t *sem)
 
       ret = sem_wait(sem);
 
-      /* Recover the uIP semaphore at the proper count */
+      /* Recover the network lock at the proper count */
 
       _net_takesem();
       g_holder = me;