tree a0ab4fed9459819fbd9d8b843cb34c46f92e5650
parent 696959dda1cd4437dd672a61d7a3266169ad3019
author Andreas Schneider <asn@cryptomilk.org> 1486569502 +0100
committer Andreas Schneider <asn@cryptomilk.org> 1486819224 +0100

audio: Do not segfault in out_get_presentation_position()

When a voice call is stopped we switch back to the default primary
output (speaker). Then this function gets executed and as ther was
no active PCM because voice_session is handling that it segfaults
because the PCM is NULL.

Change-Id: I927504b7962b096c0d4c3642b48aee55c85ec013