diff options
Diffstat (limited to 'net/unix/scm.c')
| -rw-r--r-- | net/unix/scm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/unix/scm.c b/net/unix/scm.c index df8f636ab1d8..bf1a8fa8c4f1 100644 --- a/net/unix/scm.c +++ b/net/unix/scm.c @@ -56,7 +56,8 @@ void unix_inflight(struct user_struct *user, struct file *fp) } else { BUG_ON(list_empty(&u->link)); } - unix_tot_inflight++; + /* Paired with READ_ONCE() in wait_for_unix_gc() */ + WRITE_ONCE(unix_tot_inflight, unix_tot_inflight + 1); } user->unix_inflight++; spin_unlock(&unix_gc_lock); @@ -76,7 +77,8 @@ void unix_notinflight(struct user_struct *user, struct file *fp) if (atomic_long_dec_and_test(&u->inflight)) list_del_init(&u->link); - unix_tot_inflight--; + /* Paired with READ_ONCE() in wait_for_unix_gc() */ + WRITE_ONCE(unix_tot_inflight, unix_tot_inflight - 1); } user->unix_inflight--; spin_unlock(&unix_gc_lock); |