linux-kernel - [PATCH 10/22] ide: skip not present devices in init

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Date:	Thu, 17 Jan 2008 00:27:16 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	linux-ide@...r.kernel.org
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 10/22] 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@...il.com>
---
 drivers/ide/ide-probe.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1194,6 +1194,10 @@ static void init_gendisk (ide_hwif_t *hw
 
 	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);
--
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