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-rw-r--r--net/unix/scm.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/unix/scm.c b/net/unix/scm.c
index 822ce0d0d7..e92f2fad64 100644
--- a/net/unix/scm.c
+++ b/net/unix/scm.c
@@ -53,12 +53,13 @@ void unix_inflight(struct user_struct *user, struct file *fp)
if (s) {
struct unix_sock *u = unix_sk(s);
- if (atomic_long_inc_return(&u->inflight) == 1) {
+ if (!u->inflight) {
BUG_ON(!list_empty(&u->link));
list_add_tail(&u->link, &gc_inflight_list);
} else {
BUG_ON(list_empty(&u->link));
}
+ u->inflight++;
/* Paired with READ_ONCE() in wait_for_unix_gc() */
WRITE_ONCE(unix_tot_inflight, unix_tot_inflight + 1);
}
@@ -75,10 +76,11 @@ void unix_notinflight(struct user_struct *user, struct file *fp)
if (s) {
struct unix_sock *u = unix_sk(s);
- BUG_ON(!atomic_long_read(&u->inflight));
+ BUG_ON(!u->inflight);
BUG_ON(list_empty(&u->link));
- if (atomic_long_dec_and_test(&u->inflight))
+ u->inflight--;
+ if (!u->inflight)
list_del_init(&u->link);
/* Paired with READ_ONCE() in wait_for_unix_gc() */
WRITE_ONCE(unix_tot_inflight, unix_tot_inflight - 1);