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ide: Fix cs5535 driver accessing beyond array boundary 

The cs5535 uses an incorrect construct to access the other drive of a pair,
causing it to access beyond an array boundary on the secondary interface.

This fixes it by using the new ide_get_paired_drive() helper instead.

Bart: patch description fixes

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andrew Morton <akpm@osdl.org>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Benjamin Herrenschmidt 2007-10-19 00:30:05 +02:00 committed by Bartlomiej Zolnierkiewicz
parent a87a87ccdc
commit 15d8061bf0
1 changed files with 1 additions and 1 deletions
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2
drivers/ide/pci/cs5535.c
View File

@ -84,7 +84,7 @@ static void cs5535_set_speed(ide_drive_t *drive, const u8 speed)
/* Set the PIO timings */
if ((speed & XFER_MODE) == XFER_PIO) {
ide_drive_t *pair = &drive->hwif->drives[drive->dn ^ 1];
ide_drive_t *pair = ide_get_paired_drive(drive);
u8 cmd, pioa;
cmd = pioa = speed - XFER_PIO_0;