cciss: Retry driver initiated cmds with unit attention condition

cciss:  Retry driver initiated cmds with unit attention condition

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 81c2187..429b9b6 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2531,6 +2531,8 @@
 		case 0: return IO_OK; /* no sense */
 		case 1: return IO_OK; /* recovered error */
 		default:
+			if (check_for_unit_attention(h, c))
+				return IO_NEEDS_RETRY;
 			printk(KERN_WARNING "cciss%d: cmd 0x%02x "
 				"check condition, sense key = 0x%02x\n",
 				h->ctlr, c->Request.CDB[0],