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| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-15 21:21:51 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-15 21:21:51 +0200 |
| commit | c04bbc812b05b304a9118687d0e0a47e35f00d1d (patch) | |
| tree | 62a76e3a893cbec2aeee1fc01fd716f9fdc64fbc /drivers/scsi/ide-scsi.c | |
| parent | ide-scsi: fix DRQ checking for DMA transfers in idescsi_pc_intr() (diff) | |
| download | linux-dev-c04bbc812b05b304a9118687d0e0a47e35f00d1d.tar.xz linux-dev-c04bbc812b05b304a9118687d0e0a47e35f00d1d.zip | |
ide-scsi: fix handling of DMA errors in idescsi_pc_intr()
Check return value of ->dma_end method and if there was a DMA error
handle it accordingly (set PC_FLAG_DMA_ERROR pc flag, don't update
pc->xferred and increase rq->errors).
Also move debug message in the right place while at it.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/scsi/ide-scsi.c')
| -rw-r--r-- | drivers/scsi/ide-scsi.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index e67cf8aa9462..ed92cf7a7682 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -388,11 +388,13 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) return ide_stopped; } if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { + if (hwif->dma_ops->dma_end(drive)) + pc->flags |= PC_FLAG_DMA_ERROR; + else + pc->xferred = pc->req_xfer; #if IDESCSI_DEBUG_LOG printk ("ide-scsi: %s: DMA complete\n", drive->name); #endif /* IDESCSI_DEBUG_LOG */ - pc->xferred = pc->req_xfer; - (void)hwif->dma_ops->dma_end(drive); } /* Clear the interrupt */ @@ -405,7 +407,7 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) " transferred\n", pc->xferred); pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS; local_irq_enable_in_hardirq(); - if (stat & ERR_STAT) + if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) rq->errors++; idescsi_end_request (drive, 1, 0); return ide_stopped; |