[alsa-devel] [PATCH] snd-usb-us122l: Delete calls to preempt_disable

Karsten Wiese fzu at wemgehoertderstaat.de
Fri Dec 30 01:42:01 CET 2011


They are not needed here.

Signed-off-by: Karsten Wiese <fzu at wemgehoertderstaat.de>
Cc: stable at kernel.org
---

diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c
index 12ae034..dafcf79 100644
--- a/sound/usb/usx2y/usb_stream.c
+++ b/sound/usb/usx2y/usb_stream.c
@@ -673,7 +673,7 @@ dotry:
 		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;
@@ -685,19 +685,17 @@ dotry:
 		}
 		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",


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