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ide: Fix siimage driver accessing beyond array boundary 

The siimage 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 1b67834712
commit a87a87ccdc
1 changed files with 1 additions and 1 deletions
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2
drivers/ide/pci/siimage.c
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@ -180,7 +180,7 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio)
const u16 data_speed[] = { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 };
ide_hwif_t *hwif = HWIF(drive);
ide_drive_t *pair = &hwif->drives[drive->dn ^ 1];
ide_drive_t *pair = ide_get_paired_drive(drive);
u32 speedt = 0;
u16 speedp = 0;
unsigned long addr = siimage_seldev(drive, 0x04);