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

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>

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 509f1293cae2cb48648dbbb655c3d91a3c009431..eb3c299d95de1aea7e420e88e42cf2759120420a 100644 (file)
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -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;