diff --git a/[refs] b/[refs]
index 510d832b3fb1..9c431e8f9815 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 027b180d7405f2b2df25e2a8b1b796b00f3773cf
+refs/heads/master: 7ab5118d7c2be650bc936894f159dc1c597badae
diff --git a/trunk/drivers/block/cciss.c b/trunk/drivers/block/cciss.c
index f09e6df15aa7..13d87a031c88 100644
--- a/trunk/drivers/block/cciss.c
+++ b/trunk/drivers/block/cciss.c
@@ -1184,6 +1184,7 @@ 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,