diff options
Diffstat (limited to 'sound/usb/usx2y/us122l.c')
| -rw-r--r-- | sound/usb/usx2y/us122l.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index 1be0e980feb9..6bcf8b859ebb 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -89,13 +89,6 @@ static void pt_info_set(struct usb_device *dev, u8 v) v, 0, NULL, 0, 1000, GFP_NOIO); } -static void usb_stream_hwdep_vm_open(struct vm_area_struct *area) -{ - struct us122l *us122l = area->vm_private_data; - - atomic_inc(&us122l->mmap_count); -} - static vm_fault_t usb_stream_hwdep_vm_fault(struct vm_fault *vmf) { unsigned long offset; @@ -132,17 +125,9 @@ unlock: return VM_FAULT_SIGBUS; } -static void usb_stream_hwdep_vm_close(struct vm_area_struct *area) -{ - struct us122l *us122l = area->vm_private_data; - - atomic_dec(&us122l->mmap_count); -} static const struct vm_operations_struct usb_stream_hwdep_vm_ops = { - .open = usb_stream_hwdep_vm_open, .fault = usb_stream_hwdep_vm_fault, - .close = usb_stream_hwdep_vm_close, }; static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file) @@ -218,7 +203,6 @@ static int usb_stream_hwdep_mmap(struct snd_hwdep *hw, if (!read) vm_flags_set(area, VM_DONTEXPAND); area->vm_private_data = us122l; - atomic_inc(&us122l->mmap_count); out: mutex_unlock(&us122l->mutex); return err; @@ -606,10 +590,7 @@ static void snd_us122l_disconnect(struct usb_interface *intf) usb_put_intf(usb_ifnum_to_if(us122l->dev, 1)); usb_put_dev(us122l->dev); - while (atomic_read(&us122l->mmap_count)) - msleep(500); - - snd_card_free(card); + snd_card_free_when_closed(card); } static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message) |