Merge remote-tracking branch 'spi/topic/gpio' into spi-next

[deliverable/linux.git] / sound / usb / usx2y / us122l.c

diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
index d0323a693ba20f4719731369f85324e9ba582096..999550bbad40e66f259d9ed2b044ed478e377d72 100644 (file)
--- a/sound/usb/usx2y/us122l.c
+++ b/sound/usb/usx2y/us122l.c
@@ -262,7 +262,9 @@ static int usb_stream_hwdep_mmap(struct snd_hwdep *hw,
        }
 
        area->vm_ops = &usb_stream_hwdep_vm_ops;
-       area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+       area->vm_flags |= VM_DONTDUMP;
+       if (!read)
+               area->vm_flags |= VM_DONTEXPAND;
        area->vm_private_data = us122l;
        atomic_inc(&us122l->mmap_count);
 out: