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Diffstat (limited to 'net/packet/af_packet.c')
-rw-r--r--net/packet/af_packet.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 745e2cb..c5244b3 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -765,16 +765,10 @@ static int packet_sendmsg(struct kiocb *iocb, struct socket *sock,
skb_reserve(skb, LL_RESERVED_SPACE(dev));
skb_reset_network_header(skb);
- if (dev->hard_header) {
- int res;
- err = -EINVAL;
- res = dev->hard_header(skb, dev, ntohs(proto), addr, NULL, len);
- if (sock->type != SOCK_DGRAM) {
- skb_reset_tail_pointer(skb);
- skb->len = 0;
- } else if (res < 0)
- goto out_free;
- }
+ err = -EINVAL;
+ if (sock->type == SOCK_DGRAM &&
+ dev_hard_header(skb, dev, ntohs(proto), addr, NULL, len) < 0)
+ goto out_free;
/* Returns -EFAULT on error */
err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
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