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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-12-29 20:27:30 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-12-29 20:27:30 +0100
commit1d0bf587df5b17bb93b32d760171417883ca907f (patch)
tree9068aa5b43b06609cdc0b57f6c5aee29069e6d21 /drivers/ide/ide-cd.c
parent44e312310889145b47311a311d3faf2488349116 (diff)
ide: ide_hwgroup_t.rq doesn't need an ide_lock held
While at it: - no need to check for hwgroup presence in ide_dump_opcode() Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-cd.c')
-rw-r--r--drivers/ide/ide-cd.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 42ab6d8715f2..31f398577ed4 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -317,7 +317,8 @@ static void ide_dump_status_no_sense(ide_drive_t *drive, const char *msg, u8 st)
static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
{
ide_hwif_t *hwif = drive->hwif;
- struct request *rq = hwif->hwgroup->rq;
+ ide_hwgroup_t *hwgroup = hwif->hwgroup;
+ struct request *rq = hwgroup->rq;
int stat, err, sense_key;
/* check for errors */
@@ -508,9 +509,10 @@ end_request:
spin_lock_irqsave(&ide_lock, flags);
blkdev_dequeue_request(rq);
- HWGROUP(drive)->rq = NULL;
spin_unlock_irqrestore(&ide_lock, flags);
+ hwgroup->rq = NULL;
+
cdrom_queue_request_sense(drive, rq->sense, rq);
} else
cdrom_end_request(drive, 0);
@@ -950,7 +952,8 @@ static int cdrom_newpc_intr_dummy_cb(struct request *rq)
static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- struct request *rq = HWGROUP(drive)->rq;
+ ide_hwgroup_t *hwgroup = hwif->hwgroup;
+ struct request *rq = hwgroup->rq;
xfer_func_t *xferfunc;
ide_expiry_t *expiry = NULL;
int dma_error = 0, dma, stat, thislen, uptodate = 0;
@@ -1157,8 +1160,9 @@ end_request:
spin_lock_irqsave(&ide_lock, flags);
if (__blk_end_request(rq, 0, dlen))
BUG();
- HWGROUP(drive)->rq = NULL;
spin_unlock_irqrestore(&ide_lock, flags);
+
+ hwgroup->rq = NULL;
} else {
if (!uptodate)
rq->cmd_flags |= REQ_FAILED;