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Commit 0df10b84 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Tejun Heo
Browse files

libata-scsi: set bit pointer for sense code information 



When generating a sense code of 'Invalid field in CDB' we
should be setting the bit pointer where appropriate.

Signed-off-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent bcfc867d

drivers/ata/libata-scsi.c

+19 −11
Original line number Diff line number Diff line
@@ -301,12 +301,12 @@ void ata_scsi_set_sense_information(struct ata_device *dev, 
}



static void ata_scsi_set_invalid_field(struct ata_device *dev,

				       struct scsi_cmnd *cmd, u16 field)

				       struct scsi_cmnd *cmd, u16 field, u8 bit)

{

	ata_scsi_set_sense(dev, cmd, ILLEGAL_REQUEST, 0x24, 0x0);

	/* "Invalid field in cbd" */

	scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE,

				     field, 0xff, 1);

				     field, bit, 1);

}



static ssize_t
@@ -399,7 +399,7 @@ EXPORT_SYMBOL_GPL(ata_common_sdev_attrs); 
static void ata_scsi_invalid_field(struct ata_device *dev,

				   struct scsi_cmnd *cmd, u16 field)

{

	ata_scsi_set_invalid_field(dev, cmd, field);

	ata_scsi_set_invalid_field(dev, cmd, field, 0xff);

	cmd->scsi_done(cmd);

}
@@ -1395,6 +1395,7 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) 
	struct ata_taskfile *tf = &qc->tf;

	const u8 *cdb = scmd->cmnd;

	u16 fp;

	u8 bp = 0xff;



	if (scmd->cmd_len < 5) {

		fp = 4;
@@ -1408,10 +1409,12 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) 
	}

	if (cdb[4] & 0x2) {

		fp = 4;

		bp = 1;

		goto invalid_fld;       /* LOEJ bit set not supported */

	}

	if (((cdb[4] >> 4) & 0xf) != 0) {

		fp = 4;

		bp = 3;

		goto invalid_fld;       /* power conditions not supported */

	}
@@ -1459,7 +1462,7 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) 
	return 0;



 invalid_fld:

	ata_scsi_set_invalid_field(qc->dev, scmd, fp);

	ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp);

	return 1;

 skip:

	scmd->result = SAM_STAT_GOOD;
@@ -1704,7 +1707,7 @@ static unsigned int ata_scsi_verify_xlat(struct ata_queued_cmd *qc) 
	return 0;



invalid_fld:

	ata_scsi_set_invalid_field(qc->dev, scmd, fp);

	ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff);

	return 1;



out_of_range:
@@ -1813,7 +1816,7 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc) 
		goto out_of_range;

	/* treat all other errors as -EINVAL, fall through */

invalid_fld:

	ata_scsi_set_invalid_field(qc->dev, scmd, fp);

	ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff);

	return 1;



out_of_range:
@@ -2471,7 +2474,7 @@ static unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf) 
	};

	u8 pg, spg;

	unsigned int ebd, page_control, six_byte;

	u8 dpofua;

	u8 dpofua, bp = 0xff;

	u16 fp;



	VPRINTK("ENTER\n");
@@ -2492,6 +2495,7 @@ static unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf) 
		goto saving_not_supp;

	default:

		fp = 2;

		bp = 6;

		goto invalid_fld;

	}
@@ -2561,7 +2565,7 @@ static unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf) 
	return 0;



invalid_fld:

	ata_scsi_set_invalid_field(dev, args->cmd, fp);

	ata_scsi_set_invalid_field(dev, args->cmd, fp, bp);

	return 1;



saving_not_supp:
@@ -3215,7 +3219,7 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) 
	return 0;



 invalid_fld:

	ata_scsi_set_invalid_field(dev, scmd, fp);

	ata_scsi_set_invalid_field(dev, scmd, fp, 0xff);

	return 1;

}
@@ -3230,6 +3234,7 @@ static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc) 
	u32 size;

	void *buf;

	u16 fp;

	u8 bp = 0xff;



	/* we may not issue DMA commands if no DMA mode is set */

	if (unlikely(!dev->dma_mode))
@@ -3244,6 +3249,7 @@ static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc) 
	/* for now we only support WRITE SAME with the unmap bit set */

	if (unlikely(!(cdb[1] & 0x8))) {

		fp = 1;

		bp = 3;

		goto invalid_fld;

	}
@@ -3284,7 +3290,7 @@ static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc) 
	return 0;



invalid_fld:

	ata_scsi_set_invalid_field(dev, scmd, fp);

	ata_scsi_set_invalid_field(dev, scmd, fp, bp);

	return 1;

invalid_param_len:

	/* "Parameter list length error" */
@@ -3407,6 +3413,7 @@ static unsigned int ata_scsi_mode_select_xlat(struct ata_queued_cmd *qc) 
	unsigned six_byte, pg_len, hdr_len, bd_len;

	int len;

	u16 fp;

	u8 bp;



	VPRINTK("ENTER\n");
@@ -3432,6 +3439,7 @@ static unsigned int ata_scsi_mode_select_xlat(struct ata_queued_cmd *qc) 
	/* We only support PF=1, SP=0.  */

	if ((cdb[1] & 0x11) != 0x10) {

		fp = 1;

		bp = (cdb[1] & 0x01) ? 1 : 5;

		goto invalid_fld;

	}
@@ -3514,7 +3522,7 @@ static unsigned int ata_scsi_mode_select_xlat(struct ata_queued_cmd *qc) 
	return 0;



 invalid_fld:

	ata_scsi_set_invalid_field(qc->dev, scmd, fp);

	ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp);

	return 1;



 invalid_param: