[alsa-devel] NULL pointer dereference in ALSA triggered through saa7134-alsa

[Takashi Iwai]

At Mon, 10 Aug 2009 16:50:55 +0300,
Ozan Çağlayan wrote:
> 
> Hi,
> 
> I've finally succesfully compiled and linked saa7134-alsa driver using
> an external alsa-driver and its Module.symvers file. Everything seems
> okay, no undefined symbol or something else:
> 
> - An installed 2.6.30.4 kernel which only builds and brings soundcore
> and sound_firmware,
> - Latest alsa-driver built externally and installed,
> - Latest saa7134-alsa, cx88-alsa, etc. code from linus-2.6 (seen that
> they don't affected by some API/ABI changes) patched on top of the
> alsa-driver tarball,

The external drivers using ALSA API have to be built with the
newer ALSA header files from alsa-driver tree.  It's not enough to
change snd_card_new() with snd_card_create().  The core structure
was changed, so the whole build has to be adjusted, too.


Takashi