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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2021-10-09 18:31:46 +0200 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2021-10-18 23:01:19 +0200 |
| commit | af58b27b1b1ab1133c0fec4d817cd6360ebe280e (patch) | |
| tree | 3b430829003c76898c48bdbf80945f2854b3b8ad | |
| parent | bb2e9faedc8957dea5fa1c50a959ca5d71141b33 (diff) | |
| download | backports-af58b27b1b1ab1133c0fec4d817cd6360ebe280e.tar.gz | |
headers: Add lockdep_assert_not_held()
The lockdep_assert_not_held() define was added in kernel 5.13 and is
used by ath10k now.
The code was copied from the upstream kernel.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
| -rw-r--r-- | backport/backport-include/linux/lockdep.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/backport/backport-include/linux/lockdep.h b/backport/backport-include/linux/lockdep.h index 7cf38b23..ed5ea678 100644 --- a/backport/backport-include/linux/lockdep.h +++ b/backport/backport-include/linux/lockdep.h @@ -9,4 +9,15 @@ struct lockdep_map { }; #endif /* CONFIG_LOCKDEP */ #endif /* LINUX_VERSION_IS_LESS(4,15,0) */ +#ifndef lockdep_assert_not_held +#ifdef CONFIG_LOCKDEP +#define lockdep_assert_not_held(l) do { \ + WARN_ON(debug_locks && \ + lockdep_is_held(l) == LOCK_STATE_HELD); \ + } while (0) +#else +#define lockdep_assert_not_held(l) do { (void)(l); } while (0) +#endif /* CONFIG_LOCKDEP */ +#endif /* lockdep_assert_not_held */ + #endif /* __BACKPORT_LINUX_LOCKDEP_H */ |