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authorRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2022-04-01 16:12:31 +0100
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2022-04-01 16:12:31 +0100
commitde4fb176622d54a82ea3ceb7362392aaf5ff0b5a (patch)
tree8b510763d14d89b97cd719e79834c84e095932d7 /net/unix/scm.c
parent9be4c88bb7924f68f88cfd47d925c2d046f51a73 (diff)
parent9c6d6652e950fb34295f446676a811f6df5b8561 (diff)
Merge branches 'fixes' and 'misc' into for-linus
Diffstat (limited to 'net/unix/scm.c')
-rw-r--r--net/unix/scm.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/unix/scm.c b/net/unix/scm.c
index 052ae709ce28..aa27a02478dc 100644
--- a/net/unix/scm.c
+++ b/net/unix/scm.c
@@ -60,7 +60,8 @@ 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);
@@ -80,7 +81,8 @@ 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);