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-rw-r--r--arch/um/drivers/ubd_kern.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index d42f826a8ab9..f934225fd8ef 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -22,6 +22,7 @@
22#include "linux/kernel.h" 22#include "linux/kernel.h"
23#include "linux/module.h" 23#include "linux/module.h"
24#include "linux/blkdev.h" 24#include "linux/blkdev.h"
25#include "linux/ata.h"
25#include "linux/hdreg.h" 26#include "linux/hdreg.h"
26#include "linux/init.h" 27#include "linux/init.h"
27#include "linux/cdrom.h" 28#include "linux/cdrom.h"
@@ -1308,16 +1309,15 @@ static int ubd_ioctl(struct block_device *bdev, fmode_t mode,
1308 unsigned int cmd, unsigned long arg) 1309 unsigned int cmd, unsigned long arg)
1309{ 1310{
1310 struct ubd *ubd_dev = bdev->bd_disk->private_data; 1311 struct ubd *ubd_dev = bdev->bd_disk->private_data;
1311 struct hd_driveid ubd_id = { 1312 u16 ubd_id[ATA_ID_WORDS];
1312 .cyls = 0,
1313 .heads = 128,
1314 .sectors = 32,
1315 };
1316 1313
1317 switch (cmd) { 1314 switch (cmd) {
1318 struct cdrom_volctrl volume; 1315 struct cdrom_volctrl volume;
1319 case HDIO_GET_IDENTITY: 1316 case HDIO_GET_IDENTITY:
1320 ubd_id.cyls = ubd_dev->size / (128 * 32 * 512); 1317 memset(&ubd_id, 0, ATA_ID_WORDS * 2);
1318 ubd_id[ATA_ID_CYLS] = ubd_dev->size / (128 * 32 * 512);
1319 ubd_id[ATA_ID_HEADS] = 128;
1320 ubd_id[ATA_ID_SECTORS] = 32;
1321 if(copy_to_user((char __user *) arg, (char *) &ubd_id, 1321 if(copy_to_user((char __user *) arg, (char *) &ubd_id,
1322 sizeof(ubd_id))) 1322 sizeof(ubd_id)))
1323 return -EFAULT; 1323 return -EFAULT;