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authorBart Van Assche <bart.vanassche@sandisk.com>2015-01-30 16:22:38 +0100
committerJames Bottomley <JBottomley@Parallels.com>2015-02-02 09:57:44 -0800
commit5af2e38242f87231244393e69beca7284e70056f (patch)
tree73921b1991670b49fa4a0e2cc92b9521df65cb49 /drivers/scsi/sg.c
parent6636e7f455b33b957c5ee016daa6de46148026ab (diff)
downloadop-kernel-dev-5af2e38242f87231244393e69beca7284e70056f.zip
op-kernel-dev-5af2e38242f87231244393e69beca7284e70056f.tar.gz
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 <bart.vanassche@sandisk.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r--drivers/scsi/sg.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index b14f64c..a668c88 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))
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