On Wed, Apr 10, 2019 at 01:24:44PM +0200, Hans Verkuil wrote:
> On 4/10/19 1:09 PM, Dan Carpenter wrote:
> > [ Hi Hans,
> > 
> >   This might not really be your bug, but I just respect you a lot and
> >   so I always come to you with questions and for advice.  -dan ]
> 
> Hmm, in other words, I'm too nice!
> 

Indeed.

> >     657                  if (mxb->cur_audinput != a->index) {
> >     658                          mxb->cur_audinput = a->index;
> >                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > Now here's the complication.  We also use a->index as an index into the
> > mxb_inputs[] array which only has MXB_INPUTS (4) elements, so just
> 
> We do? Where does that happen? I don't see that in the code. That would be
> a bug since mxb_inputs are the video inputs, whereas s_audio deals with
> audio inputs.
> 

Oh, you're right.  But then there is a smaller problem because we use
it as in index into the mxb_audios[] array and that array only has 6
elements so we're still out of bounds.  The bigger array has a mute
element at the end.

regards,
dan carpenter

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