(none)

diff --git a/kernel/source/object/dtq/snd_dtq.c b/kernel/source/object/dtq/snd_dtq.c
index 611d6ed..f80312c 100755 (executable)
--- a/kernel/source/object/dtq/snd_dtq.c
+++ b/kernel/source/object/dtq/snd_dtq.c
@@ -104,7 +104,7 @@ ER snd_dtq(ID dtqid, VP_INT data)
                        dtq  = _KERNEL_DTQ_GET_DTQ(dtqcb_ro);
 
                        /* %jp{データキュー末尾に追加} */
-                       if ( head < dtqcnt - sdtqcnt - 1 )
+                       if ( head < dtqcnt - sdtqcnt )
                        {
                                dtq[head + sdtqcnt] = data;
                        }