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-rw-r--r--include/linux/kernel.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 564819a1c0..fefbc07375 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -268,4 +268,15 @@
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
+/*
+ * check_member() - Check the offset of a structure member
+ *
+ * @structure: Name of structure (e.g. global_data)
+ * @member: Name of member (e.g. baudrate)
+ * @offset: Expected offset in bytes
+ */
+#define check_member(structure, member, offset) _Static_assert( \
+ offsetof(struct structure, member) == (offset), \
+ "`struct " #structure "` offset for `" #member "` is not " #offset)
+
#endif