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-rw-r--r--net/tls/tls_strp.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/net/tls/tls_strp.c b/net/tls/tls_strp.c
index e2e48217e7ac..61fbf84baf9e 100644
--- a/net/tls/tls_strp.c
+++ b/net/tls/tls_strp.c
@@ -34,31 +34,44 @@ static void tls_strp_anchor_free(struct tls_strparser *strp)
strp->anchor = NULL;
}
-/* Create a new skb with the contents of input copied to its page frags */
-static struct sk_buff *tls_strp_msg_make_copy(struct tls_strparser *strp)
+static struct sk_buff *
+tls_strp_skb_copy(struct tls_strparser *strp, struct sk_buff *in_skb,
+ int offset, int len)
{
- struct strp_msg *rxm;
struct sk_buff *skb;
- int i, err, offset;
+ int i, err;
- skb = alloc_skb_with_frags(0, strp->stm.full_len, TLS_PAGE_ORDER,
+ skb = alloc_skb_with_frags(0, len, TLS_PAGE_ORDER,
&err, strp->sk->sk_allocation);
if (!skb)
return NULL;
- offset = strp->stm.offset;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- WARN_ON_ONCE(skb_copy_bits(strp->anchor, offset,
+ WARN_ON_ONCE(skb_copy_bits(in_skb, offset,
skb_frag_address(frag),
skb_frag_size(frag)));
offset += skb_frag_size(frag);
}
- skb->len = strp->stm.full_len;
- skb->data_len = strp->stm.full_len;
- skb_copy_header(skb, strp->anchor);
+ skb->len = len;
+ skb->data_len = len;
+ skb_copy_header(skb, in_skb);
+ return skb;
+}
+
+/* Create a new skb with the contents of input copied to its page frags */
+static struct sk_buff *tls_strp_msg_make_copy(struct tls_strparser *strp)
+{
+ struct strp_msg *rxm;
+ struct sk_buff *skb;
+
+ skb = tls_strp_skb_copy(strp, strp->anchor, strp->stm.offset,
+ strp->stm.full_len);
+ if (!skb)
+ return NULL;
+
rxm = strp_msg(skb);
rxm->offset = 0;
return skb;