[PATCH] async-tx: fix buffer sumbission error handling in ipu_idma.c

[Dan Williams]

On Wed, Feb 10, 2010 at 8:44 AM, Guennadi Liakhovetski
<g.liakhovetski at gmx.de> wrote:
> If submitting new buffer failed, a wrong descriptor gets completed and it
> doesn't check, if a callback is at all defined, which can lead to an Oops. Fix
> these bugs and make ipu_update_channel_buffer() void, because it never fails.
>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski at gmx.de>

Looks like 2.6.33 material.  Shall I tag it for -stable as well?

--
Dan