From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sat, 2 Feb 2008 18:56:40 +0000 (+0100)
Subject: ide: skip not present devices in init_gendisk()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5c2854e62ce1dfb2cd86968f0d7b0d45e07c14db;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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>
---

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);