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Diffstat (limited to 'drivers/ide/ide-cd.c')
-rw-r--r--drivers/ide/ide-cd.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index bddfebdf91d8..5969cec58dc1 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -687,8 +687,15 @@ static void ide_dump_status_no_sense(ide_drive_t *drive, const char *msg, u8 sta
static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
{
struct request *rq = HWGROUP(drive)->rq;
+ ide_hwif_t *hwif = HWIF(drive);
int stat, err, sense_key;
+ /* We may have bogus DMA interrupts in PIO state here */
+ if (HWIF(drive)->dma_status && hwif->atapi_irq_bogon) {
+ stat = hwif->INB(hwif->dma_status);
+ /* Should we force the bit as well ? */
+ hwif->OUTB(stat, hwif->dma_status);
+ }
/* Check for errors. */
stat = HWIF(drive)->INB(IDE_STATUS_REG);
if (stat_ret)
@@ -724,7 +731,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
* if we have an error, pass back CHECK_CONDITION as the
* scsi status byte
*/
- if (!rq->errors)
+ if (blk_pc_request(rq) && !rq->errors)
rq->errors = SAM_STAT_CHECK_CONDITION;
/* Check for tray open. */
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