diff --git a/[refs] b/[refs]
index 51fcf8612152..44b656d552f4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f9876f0b67c3f0b04ee2167602df54e7ae139ad7
+refs/heads/master: 40cdc840dc337cb17d81bcf028b40834e78c1038
diff --git a/trunk/drivers/scsi/gdth.c b/trunk/drivers/scsi/gdth.c
index bd3ffdf6c800..62e3cda859af 100644
--- a/trunk/drivers/scsi/gdth.c
+++ b/trunk/drivers/scsi/gdth.c
@@ -2816,7 +2816,7 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive)
             }
 #endif
 
-        } else {
+        } else if (scp->request_bufflen) {
             scp->SCp.Status = GDTH_MAP_SINGLE;
             scp->SCp.Message = (read_write == 1 ? 
                 PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);