1 files changed, 5 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c
index b5fa583a239a..eb86829529eb 100644
--- a/sound/pci/ctxfi/ctatc.c
+++ b/sound/pci/ctxfi/ctatc.c
@@ -435,6 +435,11 @@ atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
                 return 0;
         position = src->ops->get_ca(src);
 
+        if (position < apcm->vm_block->addr) {
+                snd_printdd("ctxfi: bad ca - ca=0x%08x, vba=0x%08x, vbs=0x%08x\n", position, apcm->vm_block->addr, apcm->vm_block->size);
+                position = apcm->vm_block->addr;
+        }
+
         size = apcm->vm_block->size;
         max_cisz = src->multi * src->rsc.msr;
         max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);