diff --git a/drivers/pipe.c b/drivers/pipe.c
index f51b4db2f1ba22d6fd6379ef1ab4f7330530f88d..4b052e40f5f5687aa1cb81fa38d5a936213e8474 100644
--- a/drivers/pipe.c
+++ b/drivers/pipe.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * drivers/pipe.c
  *
- *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -99,6 +99,7 @@ static uint32 g_pipecreated = 0;
 /****************************************************************************
  * Name: pipe_allocate
  ****************************************************************************/
+
 static inline int pipe_allocate(void)
 {
   int pipeno;
@@ -119,6 +120,7 @@ static inline int pipe_allocate(void)
 /****************************************************************************
  * Name: pipe_free
  ****************************************************************************/
+
 static inline void pipe_free(int pipeno)
 {
   int ret = sem_wait(&g_pipesem);
@@ -132,6 +134,7 @@ static inline void pipe_free(int pipeno)
 /****************************************************************************
  * Name: pipe_close
  ****************************************************************************/
+
 static int pipe_close(FAR struct file *filep)
 {
   struct inode      *inode = filep->f_inode;
@@ -179,6 +182,7 @@ static int pipe_close(FAR struct file *filep)
  *   appropriately.
  *
  ****************************************************************************/
+
 int pipe(int filedes[2])
 {
   struct pipe_dev_s *dev = NULL;
diff --git a/drivers/pipe_common.c b/drivers/pipe_common.c
index 7bfddb7dbd0348e0ca593eddedfa12980f915617..82a822374d6612f5bad613c1e8067425b6fb4c22 100644
--- a/drivers/pipe_common.c
+++ b/drivers/pipe_common.c
@@ -38,8 +38,8 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
-
 #include <sys/types.h>
+
 #include <sys/stat.h>
 #include <stdlib.h>
 #include <string.h>
@@ -206,6 +206,7 @@ int pipecommon_open(FAR struct file *filep)
           /* If this this is the first writer, then the read semaphore indicates the
            * number of readers waiting for the first writer.  Wake them all up.
            */
+
           if (dev->d_nwriters == 1)
             {
               while (sem_getvalue(&dev->d_rdsem, &sval) == 0 && sval < 0)