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>

1 files changed, 4 insertions, 0 deletions

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);