From 77b96bd7e5ee0b44aed1b77fef5949bc19e8301f Mon Sep 17 00:00:00 2001
From: "Stephen M. Cameron" <scameron@beardog.cca.cpqcorp.net>
Date: Fri, 4 Jul 2008 09:59:40 -0700
Subject: [PATCH] cciss: fix regression that no device nodes are created if no
 logical drives are configured.

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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/block/cciss.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 5f1e1cc6165..f5521051a8d 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -3546,6 +3546,10 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
 	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:
-- 
2.11.4.GIT