From: mike.miller@hp.com
If no device is attached we now return -ENXIO instead of some bogus
numbers. Prevents applications from trying to access non-existent disks.
Also adds HDIO_GETGEO_BIG IOCTL that fdisk uses.
---
25-akpm/drivers/block/cciss.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff -puN drivers/block/cciss.c~cciss-ENXIO-fix drivers/block/cciss.c
--- 25/drivers/block/cciss.c~cciss-ENXIO-fix 2004-03-26 10:12:33.961416352 -0800
+++ 25-akpm/drivers/block/cciss.c 2004-03-26 10:12:33.965415744 -0800
@@ -469,11 +469,8 @@ static int cciss_ioctl(struct inode *ino
driver_geo.heads = drv->heads;
driver_geo.sectors = drv->sectors;
driver_geo.cylinders = drv->cylinders;
- } else {
- driver_geo.heads = 0xff;
- driver_geo.sectors = 0x3f;
- driver_geo.cylinders = (int)drv->nr_blocks / (0xff*0x3f);
- }
+ } else
+ return -ENXIO;
driver_geo.start= get_start_sect(inode->i_bdev);
if (copy_to_user((void *) arg, &driver_geo,
sizeof( struct hd_geometry)))
_