diff options
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index b05b9b6ddb87..7d99e13148e6 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1078,8 +1078,11 @@ static void sk_prot_free(struct proto *prot, struct sock *sk) #ifdef CONFIG_CGROUPS void sock_update_classid(struct sock *sk) { - u32 classid = task_cls_classid(current); + u32 classid; + rcu_read_lock(); /* doing current task, which cannot vanish. */ + classid = task_cls_classid(current); + rcu_read_unlock(); if (classid && classid != sk->sk_classid) sk->sk_classid = classid; } @@ -1351,9 +1354,9 @@ int sock_i_uid(struct sock *sk) { int uid; - read_lock(&sk->sk_callback_lock); + read_lock_bh(&sk->sk_callback_lock); uid = sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : 0; - read_unlock(&sk->sk_callback_lock); + read_unlock_bh(&sk->sk_callback_lock); return uid; } EXPORT_SYMBOL(sock_i_uid); @@ -1362,9 +1365,9 @@ unsigned long sock_i_ino(struct sock *sk) { unsigned long ino; - read_lock(&sk->sk_callback_lock); + read_lock_bh(&sk->sk_callback_lock); ino = sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_ino : 0; - read_unlock(&sk->sk_callback_lock); + read_unlock_bh(&sk->sk_callback_lock); return ino; } EXPORT_SYMBOL(sock_i_ino); |