can: isotp: recvmsg(): allow MSG_CMSG_COMPAT flag

[sfrench/cifs-2.6.git] / net / can / isotp.c

diff --git a/net/can/isotp.c b/net/can/isotp.c
index a750259cb79c4fb93cfc6d7b50193d585831cca7..84f9aba029017c47349aaed84639228a538fece1 100644 (file)
--- a/net/can/isotp.c
+++ b/net/can/isotp.c
@@ -1139,7 +1139,7 @@ static int isotp_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
        struct isotp_sock *so = isotp_sk(sk);
        int ret = 0;
 
-       if (flags & ~(MSG_DONTWAIT | MSG_TRUNC | MSG_PEEK))
+       if (flags & ~(MSG_DONTWAIT | MSG_TRUNC | MSG_PEEK | MSG_CMSG_COMPAT))
                return -EINVAL;
 
        if (!so->bound)