[oss-devel] [PATCH] fix ossxmix breaking after USB disconnect

[Hannu Savolainen]

Yair K. wrote:
> Hi,
>
>    A Ubuntu thread[1] found a very likely issue in ossxmix - when a USB device is attached and detached OSS leaves an empty device object.
>  ossxmix won't load (unless -d<dev#> is used) since SNDCTL_MIX_NREXT returns -1 and "SNDCTL_MIX_NREXT: No such device or address" . This *untested* (I don't have the hardware) patch checks SNDCTL_MIXER_INFO=>enabled to fix this bug (Also, some manpage cleanups).
>   
Many thanks. Will be in the hg server soon.

Maybe the SNDCTL_MIX_NREXT call should be changed to return 0 if the 
device is not available. However I'm not sure if this is a good idea. 
Let's see.

Best regards,

Hannu