diff options
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ide-cd.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 44267fb47f2..7eb1aa6a311 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1047,6 +1047,20 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block) * Execute all other packet commands. */ +static void ide_cd_request_sense_fixup(struct request *rq) +{ + /* + * Some of the trailing request sense fields are optional, + * and some drives don't send them. Sigh. + */ + if (rq->cmd[0] == GPCMD_REQUEST_SENSE && + rq->data_len > 0 && rq->data_len <= 5) + while (rq->data_len > 0) { + *(u8 *)rq->data++ = 0; + --rq->data_len; + } +} + /* Interrupt routine for packet command completion. */ static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive) { @@ -1069,16 +1083,7 @@ static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive) /* If DRQ is clear, the command has completed. Complain if we still have data left to transfer. */ if ((stat & DRQ_STAT) == 0) { - /* Some of the trailing request sense fields are optional, and - some drives don't send them. Sigh. */ - if (rq->cmd[0] == GPCMD_REQUEST_SENSE && - rq->data_len > 0 && - rq->data_len <= 5) { - while (rq->data_len > 0) { - *(unsigned char *)rq->data++ = 0; - --rq->data_len; - } - } + ide_cd_request_sense_fixup(rq); if (rq->data_len == 0) cdrom_end_request(drive, 1); |