linux/sound
Adam Goode 27423257b7 ALSA: seq: Continue broadcasting events to ports if one of them fails
Sometimes PORT_EXIT messages are lost when a process is exiting.
This happens if you subscribe to the announce port with client A,
then subscribe to the announce port with client B, then kill client A.
Client B will not see the PORT_EXIT message because client A's port is
closing and is earlier in the announce port subscription list. The
for each loop will try to send the announcement to client A and fail,
then will stop trying to broadcast to other ports. Killing B works fine
since the announcement will already have gone to A. The CLIENT_EXIT
message does not get lost.

How to reproduce problem:

*** termA
$ aseqdump -p 0:1
  0:1   Port subscribed            0:1 -> 128:0

*** termB
$ aseqdump -p 0:1

*** termA
  0:1   Client start               client 129
  0:1   Port start                 129:0
  0:1   Port subscribed            0:1 -> 129:0

*** termB
  0:1   Port subscribed            0:1 -> 129:0

*** termA
^C

*** termB
  0:1   Client exit                client 128
   <--- expected Port exit as well (before client exit)

Signed-off-by: Adam Goode <agoode@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-06-04 17:30:58 +02:00
..
aoa ALSA: sound/aoa/codecs/onyx.c: use static const for texts 2014-05-27 11:58:55 +02:00
arm ASoC: pxa: remove mach header dependency 2014-05-20 23:14:49 +01:00
atmel ALSA: sound/atmel/ac97c.c: Convert to module_platform_driver 2014-04-16 10:22:03 +02:00
core ALSA: seq: Continue broadcasting events to ports if one of them fails 2014-06-04 17:30:58 +02:00
drivers ALSA: drivers: Convert to snd_card_new() with a device pointer 2014-02-12 10:58:20 +01:00
firewire ALSA: bebob: Remove unused function prototype 2014-06-04 14:38:16 +02:00
i2c ALSA: cs8427: separate HW initialization 2014-04-03 14:59:48 +02:00
isa ALSA: gus: remove checks for CONFIG_SND_DEBUG_ROM 2014-05-30 10:12:10 +02:00
mips ALSA: au1x00: Use resource_size instead of computation 2014-05-28 17:50:57 +02:00
oss sound: remove checks for CONFIG_BCM_CS4297A_CSWARM 2014-05-30 10:11:55 +02:00
parisc ALSA: parisc: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:05 +01:00
pci Merge branch 'for-linus' into for-next 2014-06-03 08:15:18 +02:00
pcmcia ALSA: pcmcia: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:06 +01:00
ppc ALSA: ppc: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:06 +01:00
sh ALSA: sh: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:07 +01:00
soc ASoC: Fix wrong argument for card remove callbacks 2014-06-03 12:52:21 +02:00
sparc ALSA: sparc: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:07 +01:00
spi ALSA: spi: Convert to snd_card_new() with a device pointer 2014-02-14 08:14:08 +01:00
synth ALSA: synth: emux: soundfont.c: Cleaning up memory leak 2014-06-01 14:33:09 +02:00
usb ALSA: snd-usb: mixer: remove error messages on failed kmalloc() 2014-05-25 09:09:01 +02:00
ac97_bus.c
Kconfig
last.c
Makefile
sound_core.c
sound_firmware.c