--- sound/synth/emux/emux_hwdep.c

+++ sound/synth/emux/emux_hwdep.c

@@ -128,6 +128,9 @@ snd_emux_init_hwdep(struct snd_emux *emu

strcpy(hw->name, SNDRV_EMUX_HWDEP_NAME);

hw->iface = SNDRV_HWDEP_IFACE_EMUX_WAVETABLE;

hw->ops.ioctl = snd_emux_hwdep_ioctl;

+ /* The ioctl parameter types are compatible between 32- and

+ * 64-bit architectures, so use the same function. */

+ hw->ops.ioctl_compat = snd_emux_hwdep_ioctl;

hw->exclusive = 1;

hw->private_data = emu;

if ((err = snd_card_register(emu->card)) < 0)