ALSA: usb-audio: Use snd_usb_ctl_msg() for Native Instruments quirk

snd_nativeinstruments_control_get() uses a stack as a buffer for
usb_control_msg(), but it's basically not allowed.  Replace the call
with a safer helper, snd_usb_ctl_msg(), instead.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 7c83bab..8c9bf4b 100644 (file)
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -593,10 +593,10 @@ static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
        if (mixer->chip->shutdown)
                ret = -ENODEV;
        else
-               ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
+               ret = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
                                  USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
                                  0, wIndex,
-                                 &tmp, sizeof(tmp), 1000);
+                                 &tmp, sizeof(tmp));
        up_read(&mixer->chip->shutdown_rwsem);
 
        if (ret < 0) {