[SCSI] scsi: sd, sr, st, and scsi_lib all fail to copy cmd_len to new cmd
This fixes an issue in scsi command initialization from a request where sd, sr, st, and scsi_lib all fail to copy the request's cmd_len to the scsi command's cmd_len field. Signed-off-by: Timothy Thelin <timothy.thelin@wdc.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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@ -1268,6 +1268,7 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
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}
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} else {
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memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
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cmd->cmd_len = req->cmd_len;
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if (rq_data_dir(req) == WRITE)
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cmd->sc_data_direction = DMA_TO_DEVICE;
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else if (req->data_len)
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@ -235,6 +235,7 @@ static int sd_init_command(struct scsi_cmnd * SCpnt)
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return 0;
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memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
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SCpnt->cmd_len = rq->cmd_len;
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if (rq_data_dir(rq) == WRITE)
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SCpnt->sc_data_direction = DMA_TO_DEVICE;
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else if (rq->data_len)
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@ -326,6 +326,7 @@ static int sr_init_command(struct scsi_cmnd * SCpnt)
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return 0;
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memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
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SCpnt->cmd_len = rq->cmd_len;
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if (!rq->data_len)
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SCpnt->sc_data_direction = DMA_NONE;
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else if (rq_data_dir(rq) == WRITE)
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@ -4206,6 +4206,7 @@ static int st_init_command(struct scsi_cmnd *SCpnt)
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return 0;
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memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
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SCpnt->cmd_len = rq->cmd_len;
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if (rq_data_dir(rq) == WRITE)
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SCpnt->sc_data_direction = DMA_TO_DEVICE;
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