ALSA: snd-usb-us122l: Delete calls to preempt_disable

commit d0f3a2eb upstream.

They are not needed here.
Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

sound/usb/usx2y/usb_stream.c

@@ -674,7 +674,7 @@ int usb_stream_start(struct usb_stream_kernel *sk)
 		inurb->transfer_buffer_length =
 			inurb->number_of_packets *
 			inurb->iso_frame_desc[0].length;
-		preempt_disable();
+
 		if (u == 0) {
 			int now;
 			struct usb_device *dev = inurb->dev;
@@ -686,19 +686,17 @@ int usb_stream_start(struct usb_stream_kernel *sk)
 		}
 		err = usb_submit_urb(inurb, GFP_ATOMIC);
 		if (err < 0) {
-			preempt_enable();
 			snd_printk(KERN_ERR"usb_submit_urb(sk->inurb[%i])"
 				   " returned %i\n", u, err);
 			return err;
 		}
 		err = usb_submit_urb(outurb, GFP_ATOMIC);
 		if (err < 0) {
-			preempt_enable();
 			snd_printk(KERN_ERR"usb_submit_urb(sk->outurb[%i])"
 				   " returned %i\n", u, err);
 			return err;
 		}
-		preempt_enable();
+
 		if (inurb->start_frame != outurb->start_frame) {
 			snd_printd(KERN_DEBUG
 				   "u[%i] start_frames differ in:%u out:%u\n",