1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 55c3237fb1bc..3fb7e8bc436d 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1191,7 +1191,6 @@ static inline void complete_buffers(struct bio *bio, int status)
 {
         while (bio) {
                 struct bio *xbh = bio->bi_next;
-                int nr_sectors = bio_sectors(bio);
 
                 bio->bi_next = NULL;
                 bio_endio(bio, status ? 0 : -EIO);
@@ -2570,6 +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 */