Re: Can't build sound drivers as modules (2.5.55)

[Mikael Pettersson]

Stephen Hemminger writes:
 > When I try to install with sound as a configured module:
 > 
 > WARNING: /lib/modules/2.5.55/kernel/sound/soundcore.ko needs unknown
 > symbol
 >  errno
 > 
 > This is new in 2.5.55, not sure where the missing bogus definition is.
 > It looks like soundcore.ko contains sound_firmware.o which is seems to
 > be more of an application than a driver (open/close)...

Someone removed the 'static int errno;' declaration in sound_firmware.c.
The sys calls it uses are apparently user-space versions with errno references.

The real fix is to delete the file altogether :-) Like the comments in it
say, firmware should be inserted by a user-space application.