1 files changed, 1 insertions, 1 deletions

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 77ba50ddcf9e..d18b3982548b 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3422,7 +3422,7 @@ int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream,
                                          area,
                                          substream->runtime->dma_area,
                                          substream->runtime->dma_addr,
-                                         area->vm_end - area->vm_start);
+                                         substream->runtime->dma_bytes);
 #endif /* CONFIG_X86 */
         /* mmap with fault handler */
         area->vm_ops = &snd_pcm_vm_ops_data_fault;