8 files changed, 8 insertions, 8 deletions
diff --git a/nuttx/drivers/bch/bchdev_driver.c b/nuttx/drivers/bch/bchdev_driver.c
index cf5ab4025..42d9825db 100644
--- a/nuttx/drivers/bch/bchdev_driver.c
+++ b/nuttx/drivers/bch/bchdev_driver.c
@@ -78,7 +78,7 @@ static int     bch_ioctl(FAR struct file *filp, int cmd, unsigned long arg);
  * Public Data
  ****************************************************************************/
 
-struct file_operations bch_fops =
+static const struct file_operations bch_fops =
 {
   bch_open,  /* open */
   bch_close, /* close */
diff --git a/nuttx/drivers/can.c b/nuttx/drivers/can.c
index 3d21634ee..509210a8f 100644
--- a/nuttx/drivers/can.c
+++ b/nuttx/drivers/can.c
@@ -81,7 +81,7 @@ static int            can_ioctl(FAR struct file *filep, int cmd, unsigned long a
  * Private Data
  ****************************************************************************/
 
-struct file_operations g_canops =
+static const struct file_operations g_canops =
 {
   can_open,  /* open */
   can_close, /* close */
diff --git a/nuttx/drivers/dev_null.c b/nuttx/drivers/dev_null.c
index a8a8bb01c..2208823e6 100644
--- a/nuttx/drivers/dev_null.c
+++ b/nuttx/drivers/dev_null.c
@@ -64,7 +64,7 @@ static int     devnull_poll(FAR struct file *filp, FAR struct pollfd *fds,
  * Private Data
  ****************************************************************************/
 
-static struct file_operations devnull_fops =
+static const struct file_operations devnull_fops =
 {
   0,             /* open */
   0,             /* close */
diff --git a/nuttx/drivers/dev_zero.c b/nuttx/drivers/dev_zero.c
index fff88fd8d..2a85e134a 100644
--- a/nuttx/drivers/dev_zero.c
+++ b/nuttx/drivers/dev_zero.c
@@ -64,7 +64,7 @@ static int     devzero_poll(FAR struct file *filp, FAR struct pollfd *fds,
  * Private Data
  ****************************************************************************/
 
-static struct file_operations devzero_fops =
+static const struct file_operations devzero_fops =
 {
   0,             /* open */
   0,             /* close */
diff --git a/nuttx/drivers/fifo.c b/nuttx/drivers/fifo.c
index 7775af9ae..4e0bbf49c 100644
--- a/nuttx/drivers/fifo.c
+++ b/nuttx/drivers/fifo.c
@@ -67,7 +67,7 @@
  * Private Data
  ****************************************************************************/
 
-static struct file_operations fifo_fops =
+static const struct file_operations fifo_fops =
 {
   pipecommon_open,  /* open */
   pipecommon_close, /* close */
diff --git a/nuttx/drivers/lowconsole.c b/nuttx/drivers/lowconsole.c
index c89183cd2..15f639391 100755
--- a/nuttx/drivers/lowconsole.c
+++ b/nuttx/drivers/lowconsole.c
@@ -68,7 +68,7 @@ static int     lowconsole_ioctl(struct file *filep, int cmd, unsigned long arg);
  * Private Variables
  ****************************************************************************/
 
-struct file_operations g_consoleops =
+static const struct file_operations g_consoleops =
 {
   0,                /* open */
   0,                /* close */
diff --git a/nuttx/drivers/pipe.c b/nuttx/drivers/pipe.c
index 4ad5f0f99..f51b4db2f 100644
--- a/nuttx/drivers/pipe.c
+++ b/nuttx/drivers/pipe.c
@@ -75,7 +75,7 @@ static int pipe_close(FAR struct file *filep);
  * Private Data
  ****************************************************************************/
 
-static struct file_operations pipe_fops =
+static const struct file_operations pipe_fops =
 {
   pipecommon_open,   /* open */
   pipe_close,        /* close */
diff --git a/nuttx/drivers/serial.c b/nuttx/drivers/serial.c
index 2dc7d8151..98ba07e21 100644
--- a/nuttx/drivers/serial.c
+++ b/nuttx/drivers/serial.c
@@ -86,7 +86,7 @@ static int     uart_poll(FAR struct file *filep, FAR struct pollfd *fds, boolean
  * Private Variables
  ************************************************************************************/
 
-struct file_operations g_serialops =
+static const struct file_operations g_serialops =
 {
   uart_open,  /* open */
   uart_close, /* close */