diff options
Diffstat (limited to 'kernel/futex/core.c')
| -rw-r--r-- | kernel/futex/core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/futex/core.c b/kernel/futex/core.c index 136768ae2637..692912bf1252 100644 --- a/kernel/futex/core.c +++ b/kernel/futex/core.c @@ -181,12 +181,12 @@ static u64 get_inode_sequence_number(struct inode *inode) return old; for (;;) { - u64 new = atomic64_add_return(1, &i_seq); + u64 new = atomic64_inc_return(&i_seq); if (WARN_ON_ONCE(!new)) continue; - old = atomic64_cmpxchg_relaxed(&inode->i_sequence, 0, new); - if (old) + old = 0; + if (!atomic64_try_cmpxchg_relaxed(&inode->i_sequence, &old, new)) return old; return new; } |