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#ifndef __BACKPORT_LINUX_LOCKDEP_H
#define __BACKPORT_LINUX_LOCKDEP_H
#include_next <linux/lockdep.h>
#include <linux/version.h>
#if LINUX_VERSION_IS_LESS(3,9,0)
#undef lockdep_assert_held
#ifdef CONFIG_LOCKDEP
#define lockdep_assert_held(l) do { \
WARN_ON(debug_locks && !lockdep_is_held(l)); \
} while (0)
#else
#define lockdep_assert_held(l) do { (void)(l); } while (0)
#endif /* CONFIG_LOCKDEP */
#endif /* LINUX_VERSION_IS_LESS(3,9,0) */
#endif /* __BACKPORT_LINUX_LOCKDEP_H */
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