1 files changed, 3 insertions, 1 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index c22cdcd84320..94d9f0c63682 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1645,7 +1645,9 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, int m
                 /* Ok.  We will be able to collapse the packet. */
                 tcp_unlink_write_queue(next_skb, sk);
 
-                memcpy(skb_put(skb, next_skb_size), next_skb->data, next_skb_size);
+                skb_copy_from_linear_data(next_skb,
+                                          skb_put(skb, next_skb_size),
+                                          next_skb_size);
 
                 if (next_skb->ip_summed == CHECKSUM_PARTIAL)
                         skb->ip_summed = CHECKSUM_PARTIAL;