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-rw-r--r--net/batman-adv/unicast.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index ee41fef04b21..811f7fc7932d 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -224,7 +224,7 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
struct unicast_frag_packet *frag1, *frag2;
int uc_hdr_len = sizeof(struct unicast_packet);
int ucf_hdr_len = sizeof(struct unicast_frag_packet);
- int data_len = skb->len;
+ int data_len = skb->len - uc_hdr_len;
if (!bat_priv->primary_if)
goto dropped;
@@ -232,10 +232,11 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
frag_skb = dev_alloc_skb(data_len - (data_len / 2) + ucf_hdr_len);
if (!frag_skb)
goto dropped;
+ skb_reserve(frag_skb, ucf_hdr_len);
unicast_packet = (struct unicast_packet *) skb->data;
memcpy(&tmp_uc, unicast_packet, uc_hdr_len);
- skb_split(skb, frag_skb, data_len / 2);
+ skb_split(skb, frag_skb, data_len / 2 + uc_hdr_len);
if (my_skb_head_push(skb, ucf_hdr_len - uc_hdr_len) < 0 ||
my_skb_head_push(frag_skb, ucf_hdr_len) < 0)
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