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-rw-r--r--sound/usb/usx2y/us122l.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
index 98276aafefe6..463f3ffe3fb9 100644
--- a/sound/usb/usx2y/us122l.c
+++ b/sound/usb/usx2y/us122l.c
@@ -478,6 +478,14 @@ static bool us122l_create_card(struct snd_card *card)
478 return true; 478 return true;
479} 479}
480 480
481static void snd_us122l_free(struct snd_card *card)
482{
483 struct us122l *us122l = US122L(card);
484 int index = us122l->chip.index;
485 if (index >= 0 && index < SNDRV_CARDS)
486 snd_us122l_card_used[index] = 0;
487}
488
481static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp) 489static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp)
482{ 490{
483 int dev; 491 int dev;
@@ -494,7 +502,7 @@ static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp)
494 if (err < 0) 502 if (err < 0)
495 return err; 503 return err;
496 snd_us122l_card_used[US122L(card)->chip.index = dev] = 1; 504 snd_us122l_card_used[US122L(card)->chip.index = dev] = 1;
497 505 card->private_free = snd_us122l_free;
498 US122L(card)->chip.dev = device; 506 US122L(card)->chip.dev = device;
499 US122L(card)->chip.card = card; 507 US122L(card)->chip.card = card;
500 mutex_init(&US122L(card)->mutex); 508 mutex_init(&US122L(card)->mutex);
@@ -588,7 +596,7 @@ static void snd_us122l_disconnect(struct usb_interface *intf)
588 } 596 }
589 597
590 usb_put_intf(intf); 598 usb_put_intf(intf);
591 usb_put_dev(US122L(card)->chip.dev); 599 usb_put_dev(us122l->chip.dev);
592 600
593 while (atomic_read(&us122l->mmap_count)) 601 while (atomic_read(&us122l->mmap_count))
594 msleep(500); 602 msleep(500);