From: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
include/linux/rhashtable.h now uses struct lockdep_map unconditionally
which is fine for upstream as lockdep.h defines an empty lockdep_map
structure if CONFIG_LOCKDEP is not set. However, that is only true
since kernel 4.15 so adding such definition in our lockdep.h to cover
older kernels.
Signed-off-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
---
backport/backport-include/linux/lockdep.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/backport/backport-include/linux/lockdep.h b/backport/backport-include/linux/lockdep.h
index 5a5d0d0e..12b91b4f 100644
--- a/backport/backport-include/linux/lockdep.h
+++ b/backport/backport-include/linux/lockdep.h
@@ -14,4 +14,10 @@
#endif /* CONFIG_LOCKDEP */
#endif /* LINUX_VERSION_IS_LESS(3,9,0) */
+#if LINUX_VERSION_IS_LESS(4,15,0)
+#ifndef CONFIG_LOCKDEP
+struct lockdep_map { };
+#endif /* CONFIG_LOCKDEP */
+#endif /* LINUX_VERSION_IS_LESS(4,15,0) */
+
#endif /* __BACKPORT_LINUX_LOCKDEP_H */
--
2.20.1
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