[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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