Make hdlcdrv_ops structures const as they are only passed to
hdlcdrv_register function. The corresponding argument is of type const,
so make the structures const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
 /* --------------------------------------------------------------------- */
 
-static struct hdlcdrv_ops par96_ops = {
+static const struct hdlcdrv_ops par96_ops = {
        .drvname = bc_drvname,
        .drvinfo = bc_drvinfo,
        .open    = par96_open,
 
 
 /* --------------------------------------------------------------------- */
 
-static struct hdlcdrv_ops ser12_ops = {
+static const struct hdlcdrv_ops ser12_ops = {
        .drvname = bc_drvname,
        .drvinfo = bc_drvinfo,
        .open    = ser12_open,
 
 
 /* --------------------------------------------------------------------- */
 
-static struct hdlcdrv_ops ser12_ops = {
+static const struct hdlcdrv_ops ser12_ops = {
        .drvname = bc_drvname,
        .drvinfo = bc_drvinfo,
        .open    = ser12_open,