On Tue, Oct 24, 2017 at 06:26:47PM +0530, Rakesh Ughreja wrote: > On reading wrong capability pointer values driver may crash, so whenever > driver discovers unknown HDA capability, log it as error and stop traversing > the link list further. Acked-By: Vinod Koul <vinod.koul@xxxxxxxxx> > Signed-off-by: Rakesh Ughreja <rakesh.a.ughreja@xxxxxxxxx> > --- > sound/hda/hdac_controller.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c > index 978dc18..8f7d0d9 100644 > --- a/sound/hda/hdac_controller.c > +++ b/sound/hda/hdac_controller.c > @@ -314,7 +314,8 @@ int snd_hdac_bus_parse_capabilities(struct hdac_bus *bus) > break; > > default: > - dev_dbg(bus->dev, "Unknown capability %d\n", cur_cap); > + dev_err(bus->dev, "Unknown capability %d\n", cur_cap); > + cur_cap = 0; > break; > } > > -- > 2.7.4 > -- ~Vinod _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
