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| author | Borislav Petkov <petkovbb@gmail.com> | 2009-03-31 20:15:34 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-31 20:15:34 +0200 |
| commit | 5b6c942dd1f13835eff8105ec2aa859544a1498d (patch) | |
| tree | 50eb55d12e53ed1d3b0d2442d6f151265cf9f38f /drivers | |
| parent | d80c592c38378c88c568b96963f7a98d927d05fa (diff) | |
| download | linux-5b6c942dd1f13835eff8105ec2aa859544a1498d.tar.gz linux-5b6c942dd1f13835eff8105ec2aa859544a1498d.tar.bz2 linux-5b6c942dd1f13835eff8105ec2aa859544a1498d.zip | |
ide-floppy: do not complete rq's prematurely
... and access them afterwards. Simplify rq completing code while at it.
Spotted-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/ide-atapi.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 100e6f94b4f0..3e43b889dd64 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -310,16 +310,14 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive) pc->xferred = pc->req_xfer; if (drive->pc_update_buffers) drive->pc_update_buffers(drive, pc); - - if (drive->media == ide_floppy) - ide_complete_rq(drive, 0, blk_rq_bytes(rq)); } debug_log("%s: DMA finished\n", drive->name); } /* No more interrupts */ if ((stat & ATA_DRQ) == 0) { - int uptodate; + int uptodate, error; + unsigned int done; debug_log("Packet command completed, %d bytes transferred\n", pc->xferred); @@ -366,9 +364,9 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive) if (blk_special_request(rq)) { rq->errors = 0; - ide_complete_rq(drive, 0, blk_rq_bytes(rq)); + done = blk_rq_bytes(rq); + error = 0; } else { - unsigned int done; if (blk_fs_request(rq) == 0 && uptodate <= 0) { if (rq->errors == 0) @@ -380,9 +378,10 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive) else done = blk_rq_bytes(rq); - ide_complete_rq(drive, uptodate ? 0 : -EIO, done); + error = uptodate ? 0 : -EIO; } + ide_complete_rq(drive, error, done); return ide_stopped; } |