Fix /dev/zero

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@616 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 6 insertions, 6 deletions

diff --git a/nuttx/drivers/dev_zero.c b/nuttx/drivers/dev_zero.c
index 7116758b4..a18509415 100644
--- a/nuttx/drivers/dev_zero.c
+++ b/nuttx/drivers/dev_zero.c
@@ -52,8 +52,8 @@
  * Private Function Prototypes
  ****************************************************************************/
 
-static ssize_t devzero_read(struct file *, char *, size_t);
-static ssize_t devzero_write(struct file *, const char *, size_t);
+static ssize_t devzero_read(FAR struct file *, FAR char *, size_t);
+static ssize_t devzero_write(FAR struct file *, FAR const char *, size_t);
 
 /****************************************************************************
  * Private Data
@@ -73,14 +73,14 @@ static struct file_operations devzero_fops =
  * Private Functions
  ****************************************************************************/
 
-static ssize_t devzero_read(struct file *filp, char *buffer, size_t len)
+static ssize_t devzero_read(FAR struct file *filp, FAR char *buffer, size_t len)
 {
-  return 0; /* Return EOF */
+  memset(buffer, 0, len);
+  return len;
 }
 
-static ssize_t devzero_write(struct file *filp, const char *buffer, size_t len)
+static ssize_t devzero_write(FAR struct file *filp, FAR const char *buffer, size_t len)
 {
-  memset(buffer, 0, len);
   return len;
 }