ARM64: DTS: Add rk3399-firefly uart4 device, node as /dev/ttyS1

[firefly-linux-kernel-4.4.55.git] / net / socket.c

diff --git a/net/socket.c b/net/socket.c
index fbfa9d2492cf2cc44ce8408e49e64202c26f97e1..1489761b371e8d3b6bd0a8e036dd25fb74264f79 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -520,9 +520,23 @@ static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer,
        return used;
 }
 
+int sockfs_setattr(struct dentry *dentry, struct iattr *iattr)
+{
+       int err = simple_setattr(dentry, iattr);
+
+       if (!err && (iattr->ia_valid & ATTR_UID)) {
+               struct socket *sock = SOCKET_I(d_inode(dentry));
+
+               sock->sk->sk_uid = iattr->ia_uid;
+       }
+
+       return err;
+}
+
 static const struct inode_operations sockfs_inode_ops = {
        .getxattr = sockfs_getxattr,
        .listxattr = sockfs_listxattr,
+       .setattr = sockfs_setattr,
 };
 
 /**