1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 873e594860d3..9291614ac6b7 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -337,6 +337,9 @@ static int cciss_seq_show(struct seq_file *seq, void *v)
         if (*pos > h->highest_lun)
                 return 0;
 
+        if (drv == NULL) /* it's possible for h->drv[] to have holes. */
+                return 0;
+
         if (drv->heads == 0)
                 return 0;