summaryrefslogtreecommitdiff
path: root/tools/include/linux/build_bug.h
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-22 12:55:13 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-22 12:55:13 +0100
commit7a6aa989f2e844a22cfab5c8ff30e77d17dabb2f (patch)
treedd9c0dac74d0839fd0dd2fd24a59504d5180343a /tools/include/linux/build_bug.h
parent05e2600cb0a4d73b0779cf29512819616252aeeb (diff)
parent2241ab53cbb5cdb08a6b2d4688feb13971058f65 (diff)
Merge 6.2-rc5 into tty-next
We need the serial/tty changes into this branch as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/include/linux/build_bug.h')
-rw-r--r--tools/include/linux/build_bug.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/include/linux/build_bug.h b/tools/include/linux/build_bug.h
index cc7070c7439b..b4898ff085de 100644
--- a/tools/include/linux/build_bug.h
+++ b/tools/include/linux/build_bug.h
@@ -79,4 +79,13 @@
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
#endif // static_assert
+
+/*
+ * Compile time check that field has an expected offset
+ */
+#define ASSERT_STRUCT_OFFSET(type, field, expected_offset) \
+ BUILD_BUG_ON_MSG(offsetof(type, field) != (expected_offset), \
+ "Offset of " #field " in " #type " has changed.")
+
+
#endif /* _LINUX_BUILD_BUG_H */