libata: Fixup n_elem initialization

[linux-2.6-omap-h63xx.git] / drivers / ata / libata-scsi.c

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 836947da5b14de4f7e75859d2e500cb2001b31a4..7cc5a4a910a43fa48adc032ae44aae09c1ff73af 100644 (file)
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -372,7 +372,7 @@ struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev,
                if (cmd->use_sg) {
                        qc->__sg = (struct scatterlist *) cmd->request_buffer;
                        qc->n_elem = cmd->use_sg;
-               } else {
+               } else if (cmd->request_bufflen) {
                        qc->__sg = &qc->sgent;
                        qc->n_elem = 1;
                }