From 5af2e38242f87231244393e69beca7284e70056f Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 30 Jan 2015 16:22:38 +0100 Subject: [PATCH] sg: remove an unused variable The 'data_dir' variable is not used in sg_common_write(), hence remove this variable. Signed-off-by: Bart Van Assche Acked-by: Douglas Gilbert Signed-off-by: Christoph Hellwig --- drivers/scsi/sg.c | 17 +---------------- 1 file changed, 1 insertion(+), 16 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index b14f64cb9724..a668c88ea150 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -763,7 +763,7 @@ static int sg_common_write(Sg_fd * sfp, Sg_request * srp, unsigned char *cmnd, int timeout, int blocking) { - int k, data_dir, at_head; + int k, at_head; Sg_device *sdp = sfp->parentdp; sg_io_hdr_t *hp = &srp->header; @@ -793,21 +793,6 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, return -ENODEV; } - switch (hp->dxfer_direction) { - case SG_DXFER_TO_FROM_DEV: - case SG_DXFER_FROM_DEV: - data_dir = DMA_FROM_DEVICE; - break; - case SG_DXFER_TO_DEV: - data_dir = DMA_TO_DEVICE; - break; - case SG_DXFER_UNKNOWN: - data_dir = DMA_BIDIRECTIONAL; - break; - default: - data_dir = DMA_NONE; - break; - } hp->duration = jiffies_to_msecs(jiffies); if (hp->interface_id != '\0' && /* v3 (or later) interface */ (SG_FLAG_Q_AT_TAIL & hp->flags))