diff --git a/drivers/net/hamradio/baycom_par.c b/drivers/net/hamradio/baycom_par.c
index 92b13b39f426012e65cd19c5ccf7c9cb1107910f..e1783832d304b701d7bc007def77b347520c8234 100644
--- a/drivers/net/hamradio/baycom_par.c
+++ b/drivers/net/hamradio/baycom_par.c
@@ -386,7 +386,7 @@ static int baycom_ioctl(struct net_device *dev, struct ifreq *ifr,
 
 /* --------------------------------------------------------------------- */
 
-static struct hdlcdrv_ops par96_ops = {
+static const struct hdlcdrv_ops par96_ops = {
 	.drvname = bc_drvname,
 	.drvinfo = bc_drvinfo,
 	.open    = par96_open,
diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c
index d9a646acca20423f56c4e8e22b9bd35cb8334734..190f66c8847979762eba06f01585788bcff02423 100644
--- a/drivers/net/hamradio/baycom_ser_fdx.c
+++ b/drivers/net/hamradio/baycom_ser_fdx.c
@@ -508,7 +508,7 @@ static int baycom_ioctl(struct net_device *dev, struct ifreq *ifr,
 
 /* --------------------------------------------------------------------- */
 
-static struct hdlcdrv_ops ser12_ops = {
+static const struct hdlcdrv_ops ser12_ops = {
 	.drvname = bc_drvname,
 	.drvinfo = bc_drvinfo,
 	.open    = ser12_open,
diff --git a/drivers/net/hamradio/baycom_ser_hdx.c b/drivers/net/hamradio/baycom_ser_hdx.c
index f1c8a9ff38914ebb9a88a95d7625071665029a0c..3c823c648cf5092e61d7ce3c8ecc0ecbf5d4f54e 100644
--- a/drivers/net/hamradio/baycom_ser_hdx.c
+++ b/drivers/net/hamradio/baycom_ser_hdx.c
@@ -542,7 +542,7 @@ static int baycom_ioctl(struct net_device *dev, struct ifreq *ifr,
 
 /* --------------------------------------------------------------------- */
 
-static struct hdlcdrv_ops ser12_ops = {
+static const struct hdlcdrv_ops ser12_ops = {
 	.drvname = bc_drvname,
 	.drvinfo = bc_drvinfo,
 	.open    = ser12_open,