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ide-cd: don't abuse rq->buffer

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Impact: rq->buffer usage cleanup

ide-cd uses rq->buffer to carry pointer to the original request when
issuing REQUEST_SENSE.  Use rq->special instead.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Tejun Heo 2009-04-19 07:00:42 +09:00
parent c267cc1c4d
commit cbfd082abf
1 changed files with 4 additions and 4 deletions
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8
drivers/ide/ide-cd.c
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@ -232,8 +232,8 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense,
rq->cmd_type = REQ_TYPE_SENSE;
rq->cmd_flags |= REQ_PREEMPT;
/* NOTE! Save the failed command in "rq->buffer" */
rq->buffer = (void *) failed_command;
/* NOTE! Save the failed command in "rq->special" */
rq->special = (void *)failed_command;
if (failed_command)
ide_debug_log(IDE_DBG_SENSE, "failed_cmd: 0x%x",
@ -247,10 +247,10 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense,
static void ide_cd_complete_failed_rq(ide_drive_t *drive, struct request *rq)
{
/*
* For REQ_TYPE_SENSE, "rq->buffer" points to the original
* For REQ_TYPE_SENSE, "rq->special" points to the original
* failed request
*/
struct request *failed = (struct request *)rq->buffer;
struct request *failed = (struct request *)rq->special;
struct cdrom_info *info = drive->driver_data;
void *sense = &info->sense_data;