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authorDavid S. Miller <davem@davemloft.net>2017-10-09 20:11:09 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-09 20:11:09 -0700
commitd93fa2ba64384a0bbee4ae7409d85fccb2cfcf14 (patch)
tree8e55d9d74f46ce13e4299d23c23c72b9306798c1 /net/tipc/msg.c
parentd0e60206bea2dec46c0a28fd6b116646aa67c5ae (diff)
parent529a86e063e9ff625c4ff247d8aa17d8072444fb (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/tipc/msg.c')
-rw-r--r--net/tipc/msg.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 121e59a1d0e7..17146c16ee2d 100644
--- 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;
}