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Takashi Iwai 88c54cdf61 ALSA: core: Fix unexpected error at replacing user TLV 
When user tries to replace the user-defined control TLV, the kernel
checks the change of its content via memcmp().  The problem is that
the kernel passes the return value from memcmp() as is.  memcmp()
gives a non-zero negative value depending on the comparison result,
and this shall be recognized as an error code.

The patch covers that corner-case, return 1 properly for the changed
TLV.

Fixes: 8aa9b586e4 ("[ALSA] Control API - more robust TLV implementation")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 		2017-08-22 15:43:40 +02:00
..
oss sound updates for 4.13-rc1 2017-07-06 10:56:51 -07:00
seq ALSA: seq: 2nd attempt at fixing race creating a queue 2017-08-15 08:02:35 +02:00
Kconfig ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
Makefile ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
compress_offload.c ALSA: compress: fix some missing and misplaced \n in messages 2016-09-16 19:24:13 +02:00
control.c ALSA: core: Fix unexpected error at replacing user TLV 2017-08-22 15:43:40 +02:00
control_compat.c ALSA: ctl: change return value in compatibility layer so that it's the same value in core implementation 2016-03-17 14:11:36 +01:00
ctljack.c ALSA: declare snd_kcontrol_new structures as const 2017-05-30 10:29:25 +02:00
device.c Merge branch 'topic/hda-unbind' into for-next 2015-03-16 14:48:20 +01:00
hrtimer.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
hwdep.c sched/wait: Rename wait_queue_t => wait_queue_entry_t 2017-06-20 12:18:27 +02:00
hwdep_compat.c
…
info.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
info_oss.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
init.c sound updates for 4.13-rc1 2017-07-06 10:56:51 -07:00
isadma.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
jack.c ALSA: jack: Allow building the jack layer without input device 2016-02-23 09:03:07 +01:00
memalloc.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
memory.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
misc.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
pcm.c ALSA: pcm: constify attribute_group structures. 2017-06-29 18:20:15 +02:00
pcm_compat.c ALSA: pcm: Add an ioctl to specify the supported protocol version 2017-06-27 13:55:46 +02:00
pcm_dmaengine.c ASoC: dmaengine_pcm: Add support for packed transfers 2016-04-27 17:34:11 +01:00
pcm_drm_eld.c ALSA: pcm: use helper function to refer parameter as read-only 2017-05-17 07:24:39 +02:00
pcm_iec958.c ALSA: pcm: Allow 32 bit sample format in IEC958 channel status helper 2016-04-06 14:33:38 -07:00
pcm_lib.c sound updates for 4.13-rc1 2017-07-06 10:56:51 -07:00
pcm_local.h ALSA: pcm: unify codes to operate application-side position on PCM buffer 2017-06-12 08:49:22 +02:00
pcm_memory.c ALSA: pcm: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:18:58 +02:00
pcm_misc.c ALSA: pcm: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:18:58 +02:00
pcm_native.c sound fixes for 4.13-rc1 2017-07-14 12:44:00 -07:00
pcm_param_trace.h ALSA: pcm: use friendly name for id of PCM substream in trace print 2017-06-09 16:27:23 +02:00
pcm_timer.c ALSA: pcm: include pcm_local.h and remove some extraneous tabs 2017-05-30 18:04:47 +02:00
pcm_trace.h ALSA: pcm: use %s instead of %c for format of PCM buffer tracepoints 2017-06-12 08:49:24 +02:00
rawmidi.c sound updates for 4.13-rc1 2017-07-06 10:56:51 -07:00
rawmidi_compat.c ALSA: rawmidi: Fix ioctls X32 ABI 2016-02-28 17:44:51 +01:00
seq_device.c ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
sgbuf.c ALSA: core: Deletion of unnecessary checks before two function calls 2014-11-21 20:06:57 +01:00
sound.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
sound_oss.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
timer.c sound updates for 4.13-rc1 2017-07-06 10:56:51 -07:00
timer_compat.c ALSA: timer: fix gparams ioctl compatibility for different architectures 2016-03-23 08:06:16 +01:00
vmaster.c ALSA: core: Use standard printk helpers 2014-02-14 08:14:15 +01:00