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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-31 22:15:02 +0400 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-31 22:15:02 +0400 |
| commit | e0458ccb0668edbecbc1ae1c17ed58a6b1a4ff3e (patch) | |
| tree | 23602333f5e054a5096f43f4d60af235f2764e7d /drivers/ide | |
| parent | 299c4852fc6995e0665d246927d25cefd4dad754 (diff) | |
| download | linux-e0458ccb0668edbecbc1ae1c17ed58a6b1a4ff3e.tar.xz | |
ide-cd: unify ide_cd_do_request() exit paths
* Move cdrom_end_request() calls from cdrom_start_rw()
and ide_cd_prepare_rw_request() to ide_cd_do_request().
* Unify ide_cd_do_request() exit paths.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ide-cd.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index eb0c2fe2b874..3e3058cff843 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -595,7 +595,6 @@ static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive, printk(KERN_ERR PFX "%s: %s: buffer botch (%u)\n", drive->name, __func__, rq->current_nr_sectors); - cdrom_end_request(drive, 0); return ide_stopped; } rq->current_nr_sectors += nskip; @@ -972,10 +971,8 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) if (write) { /* disk has become write protected */ - if (get_disk_ro(cd->disk)) { - cdrom_end_request(drive, 0); + if (get_disk_ro(cd->disk)) return ide_stopped; - } } else { /* * We may be retrying this request after an error. Fix up any @@ -987,10 +984,8 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) /* use DMA, if possible / writes *must* be hardware frame aligned */ if ((rq->nr_sectors & (sectors_per_frame - 1)) || (rq->sector & (sectors_per_frame - 1))) { - if (write) { - cdrom_end_request(drive, 0); + if (write) return ide_stopped; - } drive->dma = 0; } else drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA); @@ -1045,6 +1040,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, sector_t block) { struct ide_cmd cmd; + int uptodate = 0; ide_debug_log(IDE_DBG_RQ, "cmd: 0x%x, block: %llu", rq->cmd[0], (unsigned long long)block); @@ -1053,11 +1049,9 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, blk_dump_rq_flags(rq, "ide_cd_do_request"); if (blk_fs_request(rq)) { - if (cdrom_start_rw(drive, rq) == ide_stopped) - return ide_stopped; - - if (ide_cd_prepare_rw_request(drive, rq) == ide_stopped) - return ide_stopped; + if (cdrom_start_rw(drive, rq) == ide_stopped || + ide_cd_prepare_rw_request(drive, rq) == ide_stopped) + goto out_end; } else if (blk_sense_request(rq) || blk_pc_request(rq) || rq->cmd_type == REQ_TYPE_ATA_PC) { if (!rq->timeout) @@ -1066,12 +1060,11 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, cdrom_do_block_pc(drive, rq); } else if (blk_special_request(rq)) { /* right now this can only be a reset... */ - cdrom_end_request(drive, 1); - return ide_stopped; + uptodate = 1; + goto out_end; } else { blk_dump_rq_flags(rq, DRV_NAME " bad flags"); - cdrom_end_request(drive, 0); - return ide_stopped; + goto out_end; } memset(&cmd, 0, sizeof(cmd)); @@ -1082,6 +1075,9 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, cmd.rq = rq; return ide_issue_pc(drive, &cmd); +out_end: + cdrom_end_request(drive, uptodate); + return ide_stopped; } /* |