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| author | Jakub Kicinski <kuba@kernel.org> | 2022-07-07 12:07:37 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-07-07 12:07:37 -0700 |
| commit | 83ec88d81aa8762d4fb75f95365da6b73a38efe9 (patch) | |
| tree | 193501a42e488ec81871136d19e0edb129a4a154 /lib/lockref.c | |
| parent | cf21b355ccb39b0de0b6a7362532bb5584c84a80 (diff) | |
| parent | ef4ab3ba4e4f99b1f3af3a7b74815f59394d822e (diff) | |
| download | linux-stable-83ec88d81aa8762d4fb75f95365da6b73a38efe9.tar.gz linux-stable-83ec88d81aa8762d4fb75f95365da6b73a38efe9.tar.bz2 linux-stable-83ec88d81aa8762d4fb75f95365da6b73a38efe9.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'lib/lockref.c')
| -rw-r--r-- | lib/lockref.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/lib/lockref.c b/lib/lockref.c index c6f0b183b937..45e93ece8ba0 100644 --- a/lib/lockref.c +++ b/lib/lockref.c @@ -111,31 +111,6 @@ int lockref_put_not_zero(struct lockref *lockref) EXPORT_SYMBOL(lockref_put_not_zero); /** - * lockref_get_or_lock - Increments count unless the count is 0 or dead - * @lockref: pointer to lockref structure - * Return: 1 if count updated successfully or 0 if count was zero - * and we got the lock instead. - */ -int lockref_get_or_lock(struct lockref *lockref) -{ - CMPXCHG_LOOP( - new.count++; - if (old.count <= 0) - break; - , - return 1; - ); - - spin_lock(&lockref->lock); - if (lockref->count <= 0) - return 0; - lockref->count++; - spin_unlock(&lockref->lock); - return 1; -} -EXPORT_SYMBOL(lockref_get_or_lock); - -/** * lockref_put_return - Decrement reference count if possible * @lockref: pointer to lockref structure * |