diff options
Diffstat (limited to 'sound/pci/ctxfi/ctatc.c')
| -rw-r--r-- | sound/pci/ctxfi/ctatc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c index 799eb98e7794..e54006ef83cf 100644 --- a/sound/pci/ctxfi/ctatc.c +++ b/sound/pci/ctxfi/ctatc.c @@ -445,6 +445,8 @@ atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm) u32 size, max_cisz; int position; + if (!src) + return 0; position = src->ops->get_ca(src); size = apcm->vm_block->size; @@ -782,6 +784,8 @@ atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm) { struct src *src = apcm->src; + if (!src) + return 0; return src->ops->get_ca(src) - apcm->vm_block->addr; } |