diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index c3c4051..eef6252 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -693,10 +693,10 @@
 {
 	struct sixpack *sp;
 
-	write_lock_bh(&disc_data_lock);
+	write_lock_irq(&disc_data_lock);
 	sp = tty->disc_data;
 	tty->disc_data = NULL;
-	write_unlock_bh(&disc_data_lock);
+	write_unlock_irq(&disc_data_lock);
 	if (!sp)
 		return;
 
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index f990bb1c..12d94ac 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -812,10 +812,10 @@
 {
 	struct mkiss *ax;
 
-	write_lock_bh(&disc_data_lock);
+	write_lock_irq(&disc_data_lock);
 	ax = tty->disc_data;
 	tty->disc_data = NULL;
-	write_unlock_bh(&disc_data_lock);
+	write_unlock_irq(&disc_data_lock);
 
 	if (!ax)
 		return;