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Diffstat (limited to 'net/dccp/output.c')
-rw-r--r--net/dccp/output.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 2975e3d7a48..7409e4a3abd 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -83,7 +83,11 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
}
dcb->dccpd_seq = dp->dccps_gss;
- dccp_insert_options(sk, skb);
+
+ if (dccp_insert_options(sk, skb)) {
+ kfree_skb(skb);
+ return -EPROTO;
+ }
skb->h.raw = skb_push(skb, dccp_header_size);
dh = dccp_hdr(skb);
@@ -296,7 +300,11 @@ struct sk_buff *dccp_make_response(struct sock *sk, struct dst_entry *dst,
dreq = dccp_rsk(req);
DCCP_SKB_CB(skb)->dccpd_type = DCCP_PKT_RESPONSE;
DCCP_SKB_CB(skb)->dccpd_seq = dreq->dreq_iss;
- dccp_insert_options(sk, skb);
+
+ if (dccp_insert_options(sk, skb)) {
+ kfree_skb(skb);
+ return NULL;
+ }
skb->h.raw = skb_push(skb, dccp_header_size);
@@ -344,7 +352,11 @@ static struct sk_buff *dccp_make_reset(struct sock *sk, struct dst_entry *dst,
DCCP_SKB_CB(skb)->dccpd_reset_code = code;
DCCP_SKB_CB(skb)->dccpd_type = DCCP_PKT_RESET;
DCCP_SKB_CB(skb)->dccpd_seq = dp->dccps_gss;
- dccp_insert_options(sk, skb);
+
+ if (dccp_insert_options(sk, skb)) {
+ kfree_skb(skb);
+ return NULL;
+ }
skb->h.raw = skb_push(skb, dccp_header_size);