Fix bugs in error paths of snd_ctl_elem_add()
 - NULL reference
 - double free (already freed in snd_ctl_add())
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Cc: Jaroslav Kysela <perex@suse.cz>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

I'm getting oopses with snd-usb-audio in 32-bit compat environments:
control_compat.c:get_ctl_type() doesn't initialize 'info', so
'itemlist[uinfo->value.enumerated.item]' in
usbmixer.c:mixer_ctl_selector_info() might access random memory (The 'if
((int)uinfo->value.enumerated.item >= cval->max)' doesn't fix all problems
because of the unsigned -> signed conversion.)
Signed-off-by: NJuergen Kreileder <jk@blackdown.de>
Cc: Jaroslav Kysela <perex@suse.cz>
Acked-by: NTakashi Iwai <tiwai@suse.de>
Cc: Greg KH <greg@kroah.com>
Cc: <stable@kernel.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

Modules: ALSA Core

Remove BKL from sound/core/info.c
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

This patch converts the inode semaphore to a mutex. I have tested it on
XFS and compiled as much as one can consider on an ia64. Anyway your
luck with it might be different.
Modified-by: NIngo Molnar <mingo@elte.hu>

(finished the conversion)
Signed-off-by: NJes Sorensen <jes@sgi.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

Modules: ALSA Core

Revert the nested-device patch to keep the compatibility with the
current HAL configuration.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA sequencer

Reduce the maximum possible number of global clients to 16 to make
more numbers available for card clients, and allow dynamically allocated
card client numbers to share the same range as application client
numbers to make sure that all 32 cards can be used at the same time.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

All users of snd_seq_create_kernel_client() have to set the client name
anyway, so we can just pass the name as parameter.  This relieves us
from having to muck around with a struct snd_seq_client_info in these
cases.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

The fields of struct snd_seq_client_callback either aren't used or are
always set to the same value, so we can get rid of it altogether.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: ALSA sequencer

None of the fields of struct snd_seq_kernel_client was actually used, so
remove them.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: PCM Midlevel

Fixed wrong or supreflous snd_assert()'s.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA Core

Make the control device parent of all other ALSA devices of a card.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: ALSA Core,PCM Midlevel

Make the support of old API selectable via config option.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA<-OSS emulation,ALSA sequencer,ALSA<-OSS sequencer

Optimize the code when compiled without CONFIG_PROC_FS (in seq and oss
emulation parts).
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: HWDEP Midlevel,ALSA Core,PCM Midlevel,Timer Midlevel

Optimize the code when compiled without CONFIG_PROC_FS.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: RawMidi Midlevel,HDA generic driver

This patch contains the following possible cleanups:
- pci/hda/hda_proc.c should #include 'hda_local.h' for including the
  prototype of it's global function snd_hda_codec_proc_new()
- core/rawmidi.c: make the needlessly global and EXPORT_SYMBOL'ed
  function snd_rawmidi_info() static
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA Core

Fix missing include <linux/device.h>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: RawMidi Midlevel

When the output buffer size is changed, runtime->avail must be
adjusted to the new size; otherwise, draining of a bigger buffer would
appear to fail because avail does not reach buffer_size.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: ALSA Core,Memalloc module,ALSA sequencer

With dynamic minor numbers, we can increase the number of sound cards.

This requires that the sequencer client numbers of some kernel drivers
are allocated dynamically, too.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: ALSA sequencer,Generic drivers

To allow increasing the maximum number of sound cards, we have to limit
the number of sequencer clients per card because client numbers are
still allocated statically.

Reducing the number of clients to four limits the number of sequencer
MIDI ports to 1024 per card.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: ALSA Core,ALSA Minor Numbers

Add an option to allocate device file minor numbers dynamically.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Instead of storing the pointers to the device-specific structures in an
array, put them into the struct snd_minor, and look them up dynamically.

This makes the device type modules independent of the minor number
encoding.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: ALSA Core

Store the snd_minor structure pointers in one array instead of using a
separate list for each card.  This simplifies the mapping from device
files to minor struct by removing the need to know about the encoding
of the card number in the minor number.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Instead of a comment string, store the device type in the snd_minor
structure.  This makes snd_minor more flexible, and has the nice side
effect that we don't need anymore to create a separate snd_minor
template for registering a device but can pass the file_operations
directly to snd_register_device().
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: RawMidi Midlevel

In snd_rawmidi_info_select(), check that the device identified by the
passed device number actually exists.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Fix possible races in timer callbacks.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Add error messages in the critial error path to be more verbose.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: PCM Midlevel

Add NULL check in snd_pcm_suspend*() so that the caller doesn't have to do it
by itself.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA Core,Control Midlevel,/oss/Makefile

Remove the centralized PM control in the sound core.
Each driver is responsible to get callbacks from bus/driver now.

SND_GENERIC_DRIVER is removed together with this action.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA<-OSS sequencer,ALSA sequencer

Remove xxx_t typedefs from the core sequencer OSS-emulation codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: Instrument layer

Remove xxx_t typedefs from the core instrument layer codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA sequencer

Remove xxx_t typedefs from the core sequencer codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA<-OSS emulation

Remove xxx_t typedefs from the core PCM OSS-emulation codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA<-OSS emulation

Remove xxx_t typedefs from the core mixer OSS-emulation codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA Core

Remove xxx_t typedefs from the core OSS-emulation codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: PCM Midlevel

Remove xxx_t typedefs from the core PCM codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA Core

Remove xxx_t typedefs from the core proc handler codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: HWDEP Midlevel

Remove xxx_t typedefs from the core hwdep codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: RawMidi Midlevel

Remove xxx_t typedefs from the core raw MIDI codes.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: RTC timer driver,Timer Midlevel

Remove xxx_t typedefs from the core timer.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: Control Midlevel

Remove xxx_t typedefs from the core controls.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>