diff options
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 0d704bda6c41..7f43d31c9400 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2476,6 +2476,11 @@ static int tcp_recvmsg_dmabuf(struct sock *sk, const struct sk_buff *skb, } niov = skb_frag_net_iov(frag); + if (!net_is_devmem_iov(niov)) { + err = -ENODEV; + goto out; + } + end = start + skb_frag_size(frag); copy = end - offset; @@ -2494,7 +2499,7 @@ static int tcp_recvmsg_dmabuf(struct sock *sk, const struct sk_buff *skb, /* Will perform the exchange later */ dmabuf_cmsg.frag_token = tcp_xa_pool.tokens[tcp_xa_pool.idx]; - dmabuf_cmsg.dmabuf_id = net_iov_binding_id(niov); + dmabuf_cmsg.dmabuf_id = net_devmem_iov_binding_id(niov); offset += copy; remaining_len -= copy; |