[PATCH] cciss: set default raid level when reading geometry fails

This patch sets a default raid level on a volume that either does not support
reading the geometry or reports an invalid geometry for whatever reason. We
were always setting some values for heads and sectors but never set a raid
level. This caused lots of problems on some buggy firmware. Please consider
this for inclusion.

Thanks,
mikem

Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index d719a5d8f435..67a6d4a9343a 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1907,6 +1907,7 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
                                "does not support reading geometry\n");
                         drv->heads = 255;
                         drv->sectors = 32;      // Sectors per track
+                        drv->raid_level = RAID_UNKNOWN;
                 } else {
                         drv->heads = inq_buff->data_byte[6];
                         drv->sectors = inq_buff->data_byte[7];