From 5c2854e62ce1dfb2cd86968f0d7b0d45e07c14db Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sat, 2 Feb 2008 19:56:40 +0100
Subject: [PATCH] ide: skip not present devices in init_gendisk()
No need to initialize drive->gendev and waste memory on IDE settings
for not present devices.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/ide-probe.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index f4baedf7d023..4d5291c33fab 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1188,6 +1188,10 @@ static void init_gendisk (ide_hwif_t *hwif)
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t * drive = &hwif->drives[unit];
+
+ if (!drive->present)
+ continue;
+
ide_add_generic_settings(drive);
snprintf(drive->gendev.bus_id,BUS_ID_SIZE,"%u.%u",
hwif->index,unit);