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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-12-24 14:23:43 (GMT)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-12-24 14:23:43 (GMT)
commit31a71191650dce1bb4a7de6147f1947795826cda (patch)
tree56c555ecd912ad9453172eb6204bcdd76a01ad40 /drivers
parent35379c071a61d025153723f2acb2cc19cc3ca78c (diff)
downloadlinux-fsl-qoriq-31a71191650dce1bb4a7de6147f1947795826cda.tar.xz
ide-cd: add missing 'ireason' masking to cdrom_write_intr()
Mask 'ireason' variable with 0x3 so the valid interrupt reason value is passed to cdrom_write_check_ireason() for checking. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ide/ide-cd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index d4b298e..30f2758 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1826,7 +1826,7 @@ static ide_startstop_t cdrom_write_intr(ide_drive_t *drive)
}
/* 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);