diff options
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 121de0aaa6ad..e831e01f9fa6 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -781,9 +781,7 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, } if (atomic_read(&sdp->detaching)) { if (srp->bio) { - if (srp->rq->cmd != srp->rq->__cmd) - kfree(srp->rq->cmd); - + scsi_req_free_cmd(scsi_req(srp->rq)); blk_end_request_all(srp->rq, -EIO); srp->rq = NULL; } @@ -1279,6 +1277,7 @@ static void sg_rq_end_io(struct request *rq, int uptodate) { struct sg_request *srp = rq->end_io_data; + struct scsi_request *req = scsi_req(rq); Sg_device *sdp; Sg_fd *sfp; unsigned long iflags; @@ -1297,9 +1296,9 @@ sg_rq_end_io(struct request *rq, int uptodate) if (unlikely(atomic_read(&sdp->detaching))) pr_info("%s: device detaching\n", __func__); - sense = rq->sense; + sense = req->sense; result = rq->errors; - resid = rq->resid_len; + resid = req->resid_len; SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sdp, "sg_cmd_done: pack_id=%d, res=0x%x\n", @@ -1333,6 +1332,10 @@ sg_rq_end_io(struct request *rq, int uptodate) sdp->device->changed = 1; } } + + if (req->sense_len) + memcpy(srp->sense_b, req->sense, SCSI_SENSE_BUFFERSIZE); + /* Rely on write phase to clean out srp status values, so no "else" */ /* @@ -1342,8 +1345,7 @@ sg_rq_end_io(struct request *rq, int uptodate) * blk_rq_unmap_user() can be called from user context. */ srp->rq = NULL; - if (rq->cmd != rq->__cmd) - kfree(rq->cmd); + scsi_req_free_cmd(scsi_req(rq)); __blk_put_request(rq->q, rq); write_lock_irqsave(&sfp->rq_list_lock, iflags); @@ -1658,6 +1660,7 @@ sg_start_req(Sg_request *srp, unsigned char *cmd) { int res; struct request *rq; + struct scsi_request *req; Sg_fd *sfp = srp->parentfp; sg_io_hdr_t *hp = &srp->header; int dxfer_len = (int) hp->dxfer_len; @@ -1695,22 +1698,23 @@ sg_start_req(Sg_request *srp, unsigned char *cmd) * With scsi-mq disabled, blk_get_request() with GFP_KERNEL usually * does not sleep except under memory pressure. */ - rq = blk_get_request(q, rw, GFP_KERNEL); + rq = blk_get_request(q, hp->dxfer_direction == SG_DXFER_TO_DEV ? + REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, GFP_KERNEL); if (IS_ERR(rq)) { kfree(long_cmdp); return PTR_ERR(rq); } + req = scsi_req(rq); - blk_rq_set_block_pc(rq); + scsi_req_init(rq); if (hp->cmd_len > BLK_MAX_CDB) - rq->cmd = long_cmdp; - memcpy(rq->cmd, cmd, hp->cmd_len); - rq->cmd_len = hp->cmd_len; + req->cmd = long_cmdp; + memcpy(req->cmd, cmd, hp->cmd_len); + req->cmd_len = hp->cmd_len; srp->rq = rq; rq->end_io_data = srp; - rq->sense = srp->sense_b; rq->retries = SG_DEFAULT_RETRIES; if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE)) @@ -1790,8 +1794,7 @@ sg_finish_rem_req(Sg_request *srp) ret = blk_rq_unmap_user(srp->bio); if (srp->rq) { - if (srp->rq->cmd != srp->rq->__cmd) - kfree(srp->rq->cmd); + scsi_req_free_cmd(scsi_req(srp->rq)); blk_put_request(srp->rq); } |