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author | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-11-11 11:36:43 +0100 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-11-11 11:37:35 +0100 |
commit | 47a09af68ba50695c46511b8ed7f036d249bba48 (patch) | |
tree | 051c4b70501a9f360729ecc9a9493a2f8ba33b6f /sound/usb | |
parent | [media] cx24110: Simplify error handling at cx24110_set_fec() (diff) | |
parent | Linux 3.18-rc4 (diff) | |
download | linux-47a09af68ba50695c46511b8ed7f036d249bba48.tar.xz linux-47a09af68ba50695c46511b8ed7f036d249bba48.zip |
Merge tag 'v3.18-rc4' into patchwork
Needed due to some important regression fixes at RC core.
* commit 'v3.18-rc4': (587 commits)
Linux 3.18-rc4
ARM: dts: zynq: Enable PL clocks for Parallella
tiny: rename ENABLE_DEV_COREDUMP to ALLOW_DEV_COREDUMP
tiny: reverse logic for DISABLE_DEV_COREDUMP
i2c: core: Dispose OF IRQ mapping at client removal time
i2c: at91: don't account as iowait
i2c: remove FSF address
USB: Update default usb-storage delay_use value in kernel-parameters.txt
sysfs: driver core: Fix glue dir race condition by gdp_mutex
MIPS: Fix build with binutils 2.24.51+
xfs: track bulkstat progress by agino
xfs: bulkstat error handling is broken
xfs: bulkstat main loop logic is a mess
xfs: bulkstat chunk-formatter has issues
xfs: bulkstat chunk formatting cursor is broken
xfs: bulkstat btree walk doesn't terminate
mm: Fix comment before truncate_setsize()
USB: cdc-acm: add quirk for control-line state requests
tty: Fix pty master poll() after slave closes v2
MIPS: R3000: Fix debug output for Virtual page number
...
Conflicts:
drivers/media/rc/rc-main.c
Diffstat (limited to 'sound/usb')
-rw-r--r-- | sound/usb/card.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c index 7ecd0e8a5c51..f61ebb17cc64 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -591,18 +591,19 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, { 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(®ister_mutex); - chip->num_interfaces--; - if (chip->num_interfaces <= 0) { + if (!was_shutdown) { struct snd_usb_endpoint *ep; snd_card_disconnect(card); @@ -622,6 +623,10 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, list_for_each(p, &chip->mixer_list) { snd_usb_mixer_disconnect(p); } + } + + chip->num_interfaces--; + if (chip->num_interfaces <= 0) { usb_chip[chip->index] = NULL; mutex_unlock(®ister_mutex); snd_card_free_when_closed(card); |