1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index a895228f3d70..3fb7e8bc436d 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2569,6 +2569,7 @@ static void do_cciss_request(struct request_queue *q)
                (int)creq->nr_sectors);
 #endif                          /* CCISS_DEBUG */
 
+        memset(tmp_sg, 0, sizeof(tmp_sg));
         seg = blk_rq_map_sg(q, creq, tmp_sg);
 
         /* get the DMA records for the setup */