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| author | Bartlomiej Zolnierkiewicz | 2008-02-01 23:09:17 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz | 2008-02-01 23:09:17 +0100 |
| commit | eba15fba1f046d25c663d294fc919ab59cec3e9c (patch) | |
| tree | 0bc50694b75ef0997df07930ff0b297b5687e30d /drivers/ide/ide-cd.c | |
| parent | ide-cd: fix "missing data" handling in cdrom_pc_intr() (diff) | |
| download | kernel-qcow2-linux-eba15fba1f046d25c663d294fc919ab59cec3e9c.tar.gz kernel-qcow2-linux-eba15fba1f046d25c663d294fc919ab59cec3e9c.tar.xz kernel-qcow2-linux-eba15fba1f046d25c663d294fc919ab59cec3e9c.zip | |
ide-cd: fix DMA error handling in cdrom_newpc_intr()
Make cdrom_newpc_intr() match cdrom_{read,write}_intr() w.r.t.
handling DMA errors:
* disable DMA before cdrom_decode_status() call
* log the device name and the type of the request (read/write)
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-cd.c')
| -rw-r--r-- | drivers/ide/ide-cd.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index cbe4f1a04c14..c638d057f910 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1674,6 +1674,11 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) if (dma) { info->dma = 0; dma_error = HWIF(drive)->ide_dma_end(drive); + if (dma_error) { + printk(KERN_ERR "%s: DMA %s error\n", drive->name, + rq_data_dir(rq) ? "write" : "read"); + ide_dma_off(drive); + } } if (cdrom_decode_status(drive, 0, &stat)) @@ -1683,11 +1688,8 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) * using dma, transfer is complete now */ if (dma) { - if (dma_error) { - printk(KERN_ERR "ide-cd: dma error\n"); - ide_dma_off(drive); + if (dma_error) return ide_error(drive, "dma error", stat); - } spin_lock_irqsave(&ide_lock, flags); if (__blk_end_request(rq, 0, rq->data_len)) |