[alsa-devel] Alsa 1.0.15rc2 and oops with Dell M1210

[Herton Ronaldo Krzesinski]

Em Saturday 29 September 2007 18:53:29 Herton Ronaldo Krzesinski escreveu:
> On Saturday 29 September 2007 06:07:17 zhejiang wrote:
> > Seems that the spec->input_mux contains no item at all.
> > So system maybe crash in the snd_hda_input_mux_info() when try to copy
> > the items[].label,which is null pointer.
> >
> > May you replace the function  stac92xx_mux_enum_info() in
> > alsa-driver-1.0.15rc2/alsa-kernel/pci/hda/patch_sigmatel.c ?
> >
> > static int stac92xx_mux_enum_info(struct snd_kcontrol *kcontrol, struct
> > snd_ctl_elem_info *uinfo)
> > {
> > 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
> > 	struct sigmatel_spec *spec = codec->spec;
> > 	printk("spec->input_mux->num_items is %d
> > \n",spec->input_mux->num_items);
> > 	if(!spec->input_mux->num_items)
> > 		return 0;
> > 	return snd_hda_input_mux_info(spec->input_mux, uinfo);
> > }
> >
> > Does it still crash?
> > What's the number of num_items?

I received feedback from the reporter:
spec->input_mux->num_items is 0

Also sound works fine, no more crashes.

--
[]'s
Herton