diff options
Diffstat (limited to 'net/ipv4/esp4.c')
| -rw-r--r-- | net/ipv4/esp4.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 93322f895eab..d815d1755473 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -377,9 +377,11 @@ int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info * esp->esph = esph; sg_init_table(sg, esp->nfrags); - skb_to_sgvec(skb, sg, - (unsigned char *)esph - skb->data, - assoclen + ivlen + esp->clen + alen); + err = skb_to_sgvec(skb, sg, + (unsigned char *)esph - skb->data, + assoclen + ivlen + esp->clen + alen); + if (unlikely(err < 0)) + goto error; if (!esp->inplace) { int allocsize; @@ -403,9 +405,11 @@ int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info * spin_unlock_bh(&x->lock); sg_init_table(dsg, skb_shinfo(skb)->nr_frags + 1); - skb_to_sgvec(skb, dsg, - (unsigned char *)esph - skb->data, - assoclen + ivlen + esp->clen + alen); + err = skb_to_sgvec(skb, dsg, + (unsigned char *)esph - skb->data, + assoclen + ivlen + esp->clen + alen); + if (unlikely(err < 0)) + goto error; } if ((x->props.flags & XFRM_STATE_ESN)) @@ -690,7 +694,9 @@ skip_cow: esp_input_set_header(skb, seqhi); sg_init_table(sg, nfrags); - skb_to_sgvec(skb, sg, 0, skb->len); + err = skb_to_sgvec(skb, sg, 0, skb->len); + if (unlikely(err < 0)) + goto out; skb->ip_summed = CHECKSUM_NONE; |