On 10 August 2016 at 09:00, Shaun Tancheff <shaun@xxxxxxxxxxxx> wrote:
> static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc)
> {
> struct ata_taskfile *tf = &qc->tf;
> struct scsi_cmnd *scmd = qc->scsicmd;
> struct ata_device *dev = qc->dev;
> const u8 *cdb = scmd->cmnd;
> + struct scatterlist *sg;
> u64 block;
> u32 n_block;
> + const u32 trmax = ATA_MAX_TRIM_RNUM;
> u32 size;
> - void *buf;
> u16 fp;
> u8 bp = 0xff;
>
> @@ -3319,10 +3363,9 @@ static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc)
> if (!scsi_sg_count(scmd))
> goto invalid_param_len;
>
> - buf = page_address(sg_page(scsi_sglist(scmd)));
> -
> - if (n_block <= 65535 * ATA_MAX_TRIM_RNUM) {
> - size = ata_set_lba_range_entries(buf, ATA_MAX_TRIM_RNUM, block, n_block);
> + sg = scsi_sglist(scmd);
> + if (n_block <= 0xffff * cmax) {
Although this got moved and corrected in the next patch, but perhaps
you should still correct the `cmax` here, which should be `trmax`.
> + size = ata_format_dsm_trim_descr(sg, trmax, block, n_block);
> } else {
> fp = 2;
> goto invalid_fld;
--
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