Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Subject | [PATCH 05/63] ide-cd: add missing 'ireason' masking to cdrom_write_intr() | Date | Thu, 20 Dec 2007 01:55:17 +0100 |
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Mask 'ireason' variable with 0x3 so the valid interrupt reason value is passed to cdrom_write_check_ireason() for checking.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> --- drivers/ide/ide-cd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: b/drivers/ide/ide-cd.c =================================================================== --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1820,7 +1820,7 @@ static ide_startstop_t cdrom_write_intr( } /* 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);
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