diff options
| author | Luca Coelho <luciano.coelho@intel.com> | 2019-03-15 16:33:15 +0200 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2019-03-28 00:08:12 +0100 |
| commit | c4ee2d41138e92bbaef4389ebfd03cd855613b32 (patch) | |
| tree | 2fdc20c6529ec213d79279983261305e6d5a1584 | |
| parent | 00adae7f1e9d5ec504e839726bb4c6c3e7be339c (diff) | |
backport: add atomic_fetch_add_unless()
The iwlwifi driver now needs this function. Backport it.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
| -rw-r--r-- | backport/backport-include/linux/atomic.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/backport/backport-include/linux/atomic.h b/backport/backport-include/linux/atomic.h index b4dd2e1d..9ceb586e 100644 --- a/backport/backport-include/linux/atomic.h +++ b/backport/backport-include/linux/atomic.h @@ -51,4 +51,13 @@ #endif /* atomic_try_cmpxchg_acquire */ +#if LINUX_VERSION_IS_LESS(4,19,0) +#ifndef atomic_fetch_add_unless +static inline int atomic_fetch_add_unless(atomic_t *v, int a, int u) +{ + return __atomic_add_unless(v, a, u); +} +#endif +#endif + #endif /* __BP_ATOMIC_H */ |