diff options
Diffstat (limited to 'net/packet/af_packet.c')
| -rw-r--r-- | net/packet/af_packet.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 89f2e8c1f4dc..49cd0c70a13a 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2397,14 +2397,11 @@ static int __packet_snd_vnet_parse(struct virtio_net_hdr *vnet_hdr, size_t len) static int packet_snd_vnet_parse(struct msghdr *msg, size_t *len, struct virtio_net_hdr *vnet_hdr) { - int n; - if (*len < sizeof(*vnet_hdr)) return -EINVAL; *len -= sizeof(*vnet_hdr); - n = copy_from_iter(vnet_hdr, sizeof(*vnet_hdr), &msg->msg_iter); - if (n != sizeof(*vnet_hdr)) + if (!copy_from_iter_full(vnet_hdr, sizeof(*vnet_hdr), &msg->msg_iter)) return -EFAULT; return __packet_snd_vnet_parse(vnet_hdr, *len); |