diff options
| -rw-r--r-- | net/ipv4/esp4.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index b1e24446e297..9708a32b1f26 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -212,6 +212,7 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb) u8 *iv; u8 *tail; u8 *vaddr; + int esph_offset; int blksize; int clen; int alen; @@ -392,12 +393,14 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb) } cow: + esph_offset = (unsigned char *)esph - skb_transport_header(skb); + err = skb_cow_data(skb, tailen, &trailer); if (err < 0) goto error; nfrags = err; tail = skb_tail_pointer(trailer); - esph = ip_esp_hdr(skb); + esph = (struct ip_esp_hdr *)(skb_transport_header(skb) + esph_offset); skip_cow: esp_output_fill_trailer(tail, tfclen, plen, proto); |