[Xen-devel] [PATCH 13/16] 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>
---
 xen/common/device_tree.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index 226e3f3..60f3a03 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;
@@ -139,7 +141,7 @@ int device_tree_for_each_node(const void *fdt,
  */
 const char *device_tree_bootargs(const void *fdt)
 {
-    int node; 
+    int node;
     const struct fdt_property *prop;
 
     node = fdt_path_offset(fdt, "/chosen");
-- 
1.7.9.1


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