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Diffstat (limited to 'net/tipc/crypto.c')
-rw-r--r--net/tipc/crypto.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index d293614d5fc6..9325479295b8 100644
--- a/net/tipc/crypto.c
+++ b/net/tipc/crypto.c
@@ -761,21 +761,10 @@ static int tipc_aead_encrypt(struct tipc_aead *aead, struct sk_buff *skb,
skb_tailroom(skb), tailen);
}
- if (unlikely(!skb_cloned(skb) && tailen <= skb_tailroom(skb))) {
- nsg = 1;
- trailer = skb;
- } else {
- /* TODO: We could avoid skb_cow_data() if skb has no frag_list
- * e.g. by skb_fill_page_desc() to add another page to the skb
- * with the wanted tailen... However, page skbs look not often,
- * so take it easy now!
- * Cloned skbs e.g. from link_xmit() seems no choice though :(
- */
- nsg = skb_cow_data(skb, tailen, &trailer);
- if (unlikely(nsg < 0)) {
- pr_err("TX: skb_cow_data() returned %d\n", nsg);
- return nsg;
- }
+ nsg = skb_cow_data(skb, tailen, &trailer);
+ if (unlikely(nsg < 0)) {
+ pr_err("TX: skb_cow_data() returned %d\n", nsg);
+ return nsg;
}
pskb_put(skb, trailer, tailen);