offsetofend() was moved from vfio.h to stddef.h in commit
3876488444e7123 ("include/stddef.h: Move offsetofend() from vfio.h to a
generic kernel header") for kernel 4.1. Add it again to stddef.h so it
is available in more include paths.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/backport-include/linux/stddef.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
create mode 100644 backport/backport-include/linux/stddef.h
diff --git a/backport/backport-include/linux/stddef.h b/backport/backport-include/linux/stddef.h
new file mode 100644
index 00000000..2c836b00
--- /dev/null
+++ b/backport/backport-include/linux/stddef.h
@@ -0,0 +1,16 @@
+#ifndef __BACKPORT_LINUX_STDDEF_H
+#define __BACKPORT_LINUX_STDDEF_H
+#include_next <linux/stddef.h>
+
+#ifndef offsetofend
+/**
+ * offsetofend(TYPE, MEMBER)
+ *
+ * @TYPE: The type of the structure
+ * @MEMBER: The member within the structure to get the end offset of
+ */
+#define offsetofend(TYPE, MEMBER) \
+ (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER))
+#endif
+
+#endif /* __BACKPORT_LINUX_STDDEF_H */
--
2.11.0
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