Merge remote-tracking branches 'asoc/topic/ac97', 'asoc/topic/ac97-mfd', 'asoc/topic...

[mirror_ubuntu-focal-kernel.git] / net / tipc / msg.c

diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 121e59a1d0e729088170586e6714a0245680e4c7..17146c16ee2df5bdefcb949ecb40dd81b00f9940 100644 (file)
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -568,6 +568,14 @@ bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb, int *err)
        msg_set_destnode(msg, dnode);
        msg_set_destport(msg, dport);
        *err = TIPC_OK;
+
+       if (!skb_cloned(skb))
+               return true;
+
+       /* Unclone buffer in case it was bundled */
+       if (pskb_expand_head(skb, BUF_HEADROOM, BUF_TAILROOM, GFP_ATOMIC))
+               return false;
+
        return true;
 }