diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/socket.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/net/socket.c b/net/socket.c index b7f357804..2e6a155e2 100644 --- a/net/socket.c +++ b/net/socket.c @@ -524,7 +524,10 @@ static int sockfs_setattr(struct dentry *dentry, struct iattr *iattr) if (!err && (iattr->ia_valid & ATTR_UID)) { struct socket *sock = SOCKET_I(dentry->d_inode); - sock->sk->sk_uid = iattr->ia_uid; + if (sock->sk) + sock->sk->sk_uid = iattr->ia_uid; + else + err = -ENOENT; } return err; @@ -592,12 +595,16 @@ const struct file_operations bad_sock_fops = { * an inode not a file. */ -void sock_release(struct socket *sock) +static void __sock_release(struct socket *sock, struct inode *inode) { if (sock->ops) { struct module *owner = sock->ops->owner; + if (inode) + mutex_lock(&inode->i_mutex); sock->ops->release(sock); + if (inode) + mutex_unlock(&inode->i_mutex); sock->ops = NULL; module_put(owner); } @@ -615,6 +622,11 @@ void sock_release(struct socket *sock) } sock->file = NULL; } + +void sock_release(struct socket *sock) +{ + __sock_release(sock, NULL); +} EXPORT_SYMBOL(sock_release); void sock_tx_timestamp(struct sock *sk, __u8 *tx_flags) @@ -1199,7 +1211,7 @@ static int sock_close(struct inode *inode, struct file *filp) pr_debug(KERN_INFO "[mtk_net][socekt]socket_close[%lu] \n",inode->i_ino); } #endif - sock_release(SOCKET_I(inode)); + __sock_release(SOCKET_I(inode), inode); return 0; } |