Merge branch 'for-linus' into for-next

This merges the USB-audio disconnect fix and resolves the conflicts
so that we can continue working on development of usb-audio stuff.

Conflicts:
	sound/usb/card.c
This commit is contained in:
Takashi Iwai
2014-11-05 15:37:22 +01:00
4 changed files with 62 additions and 35 deletions

View File

@@ -585,18 +585,19 @@ static void usb_audio_disconnect(struct usb_interface *intf)
struct snd_usb_audio *chip = usb_get_intfdata(intf);
struct snd_card *card;
struct list_head *p;
bool was_shutdown;
if (chip == (void *)-1L)
return;
card = chip->card;
down_write(&chip->shutdown_rwsem);
was_shutdown = chip->shutdown;
chip->shutdown = 1;
up_write(&chip->shutdown_rwsem);
mutex_lock(&register_mutex);
chip->num_interfaces--;
if (chip->num_interfaces <= 0) {
if (!was_shutdown) {
struct snd_usb_stream *as;
struct snd_usb_endpoint *ep;
struct usb_mixer_interface *mixer;
@@ -618,6 +619,10 @@ static void usb_audio_disconnect(struct usb_interface *intf)
list_for_each_entry(mixer, &chip->mixer_list, list) {
snd_usb_mixer_disconnect(mixer);
}
}
chip->num_interfaces--;
if (chip->num_interfaces <= 0) {
usb_chip[chip->index] = NULL;
mutex_unlock(&register_mutex);
snd_card_free_when_closed(card);