Commit graph

127 commits

Author SHA1 Message Date
Jesper Juhl
fd0977d0f4 ALSA: asihpi - Unsafe memory management when allocating control cache
I noticed that sound/pci/asihpi/hpicmn.c::hpi_alloc_control_cache() does
not check the return value from kmalloc(), which may fail.
If kmalloc() fails we'll dereference a null pointer and things will go bad
fast.
There are two memory allocations in that function and there's also the
problem that the first may succeed and the second may fail and nothing is
done about that either which will also go wrong down the line.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Eliot Blennerhassett <linux@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-11-02 07:38:21 +01:00
Eliot Blennerhassett
60f1deb595 ALSA: asihpi - Return hw error directly from oustream_write.
If hw error is ignored, status is updated with invalid info.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-08-28 11:55:07 +02:00
Kulikov Vasiliy
ec9d04b2a8 ALSA: asihpi: check return value of get_user()
get_user() may fail, if so return -EFAULT.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-29 12:26:28 +02:00
Axel Lin
63818c448a ALSA: hpimsgx: fix wrong sizeof
The correct size should be sizeof(gRESP_HPI_SUBSYS_FIND_ADAPTERS),
sizeof(&gRESP_HPI_SUBSYS_FIND_ADAPTERS) is incorrect.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-28 11:53:03 +02:00
Eliot Blennerhassett
e2768c0c22 ALSA: asihpi - Avoid useless assignment of returned index values.
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-16 11:34:23 +02:00
Eliot Blennerhassett
604a440a9d ALSA: asihpi - Avoid using c99 uintX types.
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-16 11:33:47 +02:00
Eliot Blennerhassett
8d4bbee77e ALSA: asihpi - HPI version 4.04.01
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-16 11:31:37 +02:00
Kulikov Vasiliy
315e8f7501 ALSA: asihpi: fix sign bug
bytes_per_sec is unsigned, so if snd_pcm_format_width() return error we
would not see it.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-16 08:30:08 +02:00
Eliot Blennerhassett
f978d36da4 ALSA: asihpi - Remove unneeded ;
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-06 08:20:43 +02:00
Eliot Blennerhassett
36ed8bdd86 ALSA: asihpi - Minor HPI error handling fixes
Handle errors in tuner level caching,
Ccorrect error code for aesebu rx status.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-06 08:20:21 +02:00
Eliot Blennerhassett
108ccb3f0f ALSA: asihpi - Change compander API and tidy
Compander API changed to one function per parameter.
Factor out some common code for stereo log value reading.
Make some more entity functions static.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-06 08:19:56 +02:00
Eliot Blennerhassett
3843914635 ALSA: asihpi - Add ASI5200 family
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-06 08:19:35 +02:00
Eliot Blennerhassett
1dd6aaaafc ALSA: asihpi - Use version string instead of printf formatting
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-06 08:19:06 +02:00
Eliot Blennerhassett
168f1b07cc ALSA: asihpi - HPI API updates
Remove some deprecated items.
Change compander api to one function per parameter.
Add a version string define.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-06 08:18:27 +02:00
Eliot Blennerhassett
2a383cb3f1 ALSA: asihpi - Get rid of incorrect "long" types and casts.
These give incorrect results for index wrap on 64 bit.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-06-17 09:33:59 +02:00
Takashi Iwai
21896bc010 ALSA: asihpi - Fix uninitialized variable
Initialize prev_ctl properly before reference:
  sound/pci/asihpi/asihpi.c: In function ‘snd_card_asihpi_mixer_new’:
  sound/pci/asihpi/asihpi.c:2568:30: warning: ‘prev_ctl.dst_node_index’ may be used uninitialized in this function

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-06-02 12:08:37 +02:00
Eliot Blennerhassett
3ee317fe9c ALSA: asihpi - Minor code cleanup
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-27 09:55:31 +02:00
Eliot Blennerhassett
cadae4289d ALSA: asihpi - Add support for new ASI8800 family
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-27 09:55:16 +02:00
Eliot Blennerhassett
1a59fa7cb7 ALSA: asihpi - Fix bug preventing outstream_write preload from happening
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-27 09:54:23 +02:00
Eliot Blennerhassett
bca516bfcf ALSA: asihpi - Fix imbalanced lock path in hw_message
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-27 09:53:00 +02:00
Eliot Blennerhassett
70ebe64721 ALSA: asihpi - Remove support for old ASI8800 family
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-27 09:52:30 +02:00
Eliot Blennerhassett
5a498ef173 ALSA: asihpi - Add hd radio blend functions
Add hd radio blend functions. HPI version inc to 4.03.25.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-27 09:51:20 +02:00
Eliot Blennerhassett
f038e27c9e ALSA: asihpi - Remove unused io map functions
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-27 09:50:47 +02:00
Julia Lawall
550a8b691c ALSA: sound/pci/asihpi: Use kzalloc
Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-17 08:12:44 +02:00
Dan Carpenter
1be1d76b8a ALSA: asihpi: incorrect range check
The entity_type_to_size[] array has LAST_ENTITY_TYPE (11) number of elements,
not LAST_ENTITY_ROLE (17).  This only affects the debug output.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-17 08:10:34 +02:00
Dan Carpenter
2448b14715 ALSA: asihpi: testing the wrong variable
There is a typo here.  We want to test "*dst" not "dst".

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-05-17 08:10:13 +02:00
Eliot Blennerhassett
719f82d398 ALSA: Add support of AudioScience ASI boards
Added the support of AudioScience ASI boards.
The driver has been tested for years on alsa-driver external tree,
now finally got merged to the kernel.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-04-22 07:21:53 +02:00