Commit 31a71191 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

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: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 35379c07

drivers/ide/ide-cd.c

+1 −1
Original line number Diff line number Diff line
@@ -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);