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;
 }