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Diffstat (limited to 'net/ieee802154/raw.c')
-rw-r--r--net/ieee802154/raw.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c
index 10970ca8574..f96bae8fd33 100644
--- a/net/ieee802154/raw.c
+++ b/net/ieee802154/raw.c
@@ -108,6 +108,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
struct net_device *dev;
unsigned mtu;
struct sk_buff *skb;
+ int hlen, tlen;
int err;
if (msg->msg_flags & MSG_OOB) {
@@ -137,12 +138,14 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
goto out_dev;
}
- skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + size,
+ hlen = LL_RESERVED_SPACE(dev);
+ tlen = dev->needed_tailroom;
+ skb = sock_alloc_send_skb(sk, hlen + tlen + size,
msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb)
goto out_dev;
- skb_reserve(skb, LL_RESERVED_SPACE(dev));
+ skb_reserve(skb, hlen);
skb_reset_mac_header(skb);
skb_reset_network_header(skb);