[patch] cciss: Fix regression that no device nodes are created if no logical drives are configured.

[scameron]

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@xxxxxxxxxxxxxxxxxxxxxxx>

---

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

diff -puN drivers/block/cciss.c~cciss_fix_cxd0_missing_if_no_drives drivers/block/cciss.c
--- linux-2.6.26rc5/drivers/block/cciss.c~cciss_fix_cxd0_missing_if_no_drives	2008-06-09 09:27:37.000000000 -0500
+++ linux-2.6.26rc5-root/drivers/block/cciss.c	2008-06-09 12:33:07.000000000 -0500
@@ -3535,6 +3535,10 @@ 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:
_
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