[PATCH 22/75] backports: add lockdep_is_held() when needed

From: Johannes Berg <[email protected]>

If lockdep is not enabled and lockdep_is_held() not already defined
as a macro, declare it as an inline just like upstream does now.

Signed-off-by: Johannes Berg <[email protected]>
---
 backport/backport-include/linux/lockdep.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/backport/backport-include/linux/lockdep.h b/backport/backport-include/linux/lockdep.h
index 842e24b7..8295b0d4 100644
--- a/backport/backport-include/linux/lockdep.h
+++ b/backport/backport-include/linux/lockdep.h
@@ -9,6 +9,13 @@ struct lockdep_map { };
 #endif /* CONFIG_LOCKDEP */
 #endif /* LINUX_VERSION_IS_LESS(4,15,0) */
 
+#if LINUX_VERSION_IS_LESS(5,11,0)
+#if !defined(CONFIG_LOCKDEP) && !defined(lockdep_is_held)
+/* upstream since 5.11 in this exact same way - calls compile away */
+int lockdep_is_held(const void *);
+#endif
+#endif
+
 #ifndef lockdep_assert_not_held
 #ifdef CONFIG_LOCKDEP
 #ifndef LOCK_STATE_HELD
-- 
2.45.2