cciss: Fix misapplied "cciss: fix info leak in cciss_ioctl32_passthru()"

Upstream commit 58f09e00 was applied to the wrong function when
cherry-picked for 2.6.32.61.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Willy Tarreau <w@1wt.eu>
(cherry picked from commit a99c4d9b)

(cherry picked from commit HEAD)
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

drivers/block/cciss.c

@@ -1225,7 +1225,6 @@ static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
 	int err;
 	u32 cp;
 
-	memset(&arg64, 0, sizeof(arg64));
 	err = 0;
 	err |=
 	    copy_from_user(&arg64.LUN_info, &arg32->LUN_info,