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authorTejun Heo <tj@kernel.org>2009-04-19 07:00:42 +0900
committerTejun Heo <tj@kernel.org>2009-04-19 07:00:42 +0900
commitc267cc1c4db4ccb3406d045a8da8660f0bbfe08d (patch)
treef462e0fa6d32b79e0145cbde5850711c2c5851cc /drivers/ide/ide-atapi.c
parenteace4cb04c0edc9388e987bf9bbdef461f6daca4 (diff)
downloadop-kernel-dev-c267cc1c4db4ccb3406d045a8da8660f0bbfe08d.zip
op-kernel-dev-c267cc1c4db4ccb3406d045a8da8660f0bbfe08d.tar.gz
ide-atapi: don't abuse rq->buffer
Impact: rq->buffer usage cleanup ide-atapi uses rq->buffer as private opaque value for internal special requests. rq->special isn't used for these cases (the only case where rq->special is used is for ide-tape rw requests). Use rq->special instead. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ide/ide-atapi.c')
-rw-r--r--drivers/ide/ide-atapi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 7201b17..2894577 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -90,7 +90,7 @@ static void ide_queue_pc_head(ide_drive_t *drive, struct gendisk *disk,
blk_rq_init(NULL, rq);
rq->cmd_type = REQ_TYPE_SPECIAL;
rq->cmd_flags |= REQ_PREEMPT;
- rq->buffer = (char *)pc;
+ rq->special = (char *)pc;
rq->rq_disk = disk;
if (pc->req_xfer) {
@@ -119,7 +119,7 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk,
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq->cmd_type = REQ_TYPE_SPECIAL;
- rq->buffer = (char *)pc;
+ rq->special = (char *)pc;
if (pc->req_xfer) {
rq->data = pc->buf;
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