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author | Bart Van Assche <bart.vanassche@sandisk.com> | 2015-01-30 16:22:38 +0100 |
---|---|---|
committer | James Bottomley <JBottomley@Parallels.com> | 2015-02-02 09:57:44 -0800 |
commit | 5af2e38242f87231244393e69beca7284e70056f (patch) | |
tree | 73921b1991670b49fa4a0e2cc92b9521df65cb49 /drivers/scsi/sg.c | |
parent | 6636e7f455b33b957c5ee016daa6de46148026ab (diff) | |
download | linux-5af2e38242f87231244393e69beca7284e70056f.tar.gz linux-5af2e38242f87231244393e69beca7284e70056f.tar.bz2 linux-5af2e38242f87231244393e69beca7284e70056f.zip |
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.c | 17 |
1 files changed, 1 insertions, 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)) |