ALSA: emux: Add trivial compat ioctl handler

Reported-by: Carmen Cru <[email protected]> Signed-off-by: Ben Hutchings <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
k1132 · Sep 14, 2010 · a254dba · a254dba
1 parent 47023ec
commit a254dba
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/sound/synth/emux/emux_hwdep.c b/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)