From: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net>

Fix regression in cciss driver that if no logical drives are configured,
no device nodes at all get created.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net>
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/block/cciss.c |    4 ++++
 1 file changed, 4 insertions(+)

diff -puN drivers/block/cciss.c~cciss-fix-regression-that-no-device-nodes-are-created-if-no-logical-drives-are-configured drivers/block/cciss.c
--- a/drivers/block/cciss.c~cciss-fix-regression-that-no-device-nodes-are-created-if-no-logical-drives-are-configured
+++ a/drivers/block/cciss.c
@@ -3546,6 +3546,10 @@ static int __devinit cciss_init_one(stru
 	for (j = 0; j <= hba[i]->highest_lun; j++)
 		add_disk(hba[i]->gendisk[j]);
 
+	/* we must register the controller even if no disks exist */
+	if (hba[i]->highest_lun == -1)
+		add_disk(hba[i]->gendisk[0]);
+
 	return 1;
 
       clean4:
_