diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c
index 97467f6a32a135790d62dd036c0d55aa9f53828f..980ab3580f1b7cb35c659ca8d180d17ad06029df 100644
--- a/sound/core/control_compat.c
+++ b/sound/core/control_compat.c
@@ -304,7 +304,9 @@ static int ctl_elem_read_user(struct snd_card *card,
 	err = snd_power_wait(card, SNDRV_CTL_POWER_D0);
 	if (err < 0)
 		goto error;
+	down_read(&card->controls_rwsem);
 	err = snd_ctl_elem_read(card, data);
+	up_read(&card->controls_rwsem);
 	if (err < 0)
 		goto error;
 	err = copy_ctl_value_to_user(userdata, valuep, data, type, count);
@@ -332,7 +334,9 @@ static int ctl_elem_write_user(struct snd_ctl_file *file,
 	err = snd_power_wait(card, SNDRV_CTL_POWER_D0);
 	if (err < 0)
 		goto error;
+	down_write(&card->controls_rwsem);
 	err = snd_ctl_elem_write(card, file, data);
+	up_write(&card->controls_rwsem);
 	if (err < 0)
 		goto error;
 	err = copy_ctl_value_to_user(userdata, valuep, data, type, count);