bugfix

diff --git a/comedi/comedi_fops.c b/comedi/comedi_fops.c
index 2c257d11e16bff2b83e87a7cbbb3f8d219a88059..5a047e087727274e6d25aeef5a48cef887b098e2 100644 (file)
--- a/comedi/comedi_fops.c
+++ b/comedi/comedi_fops.c
@@ -823,6 +823,7 @@ static int do_cmd_ioctl(comedi_device *dev,void *arg,void *file)
                DPRINTK("no buffer (?)\n");
                goto cleanup;
        }
+       s->cmd.data = s->prealloc_buf;
        s->cmd.data_len=s->prealloc_bufsz;
 
 #ifdef CONFIG_COMEDI_MODE_CORE