diff options
| -rw-r--r-- | drivers/ide/ide-cd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 522580f29dd..c7d77f0ad89 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1446,7 +1446,7 @@ static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive) return ide_stopped; /* Read the interrupt reason and the transfer length. */ - ireason = HWIF(drive)->INB(IDE_IREASON_REG); + ireason = HWIF(drive)->INB(IDE_IREASON_REG) & 0x3; lowcyl = HWIF(drive)->INB(IDE_BCOUNTL_REG); highcyl = HWIF(drive)->INB(IDE_BCOUNTH_REG); @@ -1487,7 +1487,7 @@ static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive) if (thislen > len) thislen = len; /* The drive wants to be written to. */ - if ((ireason & 3) == 0) { + if (ireason == 0) { if (!rq->data) { blk_dump_rq_flags(rq, "cdrom_pc_intr, write"); goto confused; @@ -1509,7 +1509,7 @@ static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive) } /* Same drill for reading. */ - else if ((ireason & 3) == 2) { + else if (ireason == 2) { if (!rq->data) { blk_dump_rq_flags(rq, "cdrom_pc_intr, read"); goto confused; |