[Xen-devel] [PATCH 08/12] device-tree: get_val cannot cope with cells > 2, add a BUG

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
v2: drop unrelated white space fixup
---
 xen/common/device_tree.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index efd1663..7d3fd9f 100644
--- a/xen/common/device_tree.c
+++ b/xen/common/device_tree.c
@@ -45,6 +45,8 @@ static void __init get_val(const u32 **cell, u32 cells, u64 
*val)
 {
     *val = 0;
 
+    BUG_ON( cells > 2 );
+
     while ( cells-- )
     {
         *val <<= 32;
-- 
1.7.9.1


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel