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authorIngo Molnar <mingo@kernel.org>2017-10-20 11:02:05 +0200
committerIngo Molnar <mingo@kernel.org>2017-10-20 11:02:05 +0200
commitca4b9c3b743da39a6e0756a5c68edb35f6fc5e53 (patch)
tree95ce0819f92e25bc4d768ab13cee1f385a83a7b2 /net/tipc/msg.c
parenta30b85df7d599f626973e9cd3056fe755bd778e0 (diff)
parent275d34b82561e695339b782950d49c386169dae3 (diff)
downloadlinux-ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53.tar.bz2
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/tipc/msg.c')
-rw-r--r--net/tipc/msg.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 6ef379f004ac..17146c16ee2d 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -551,7 +551,7 @@ bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb, int *err)
return false;
if (msg_errcode(msg))
return false;
- *err = -TIPC_ERR_NO_NAME;
+ *err = TIPC_ERR_NO_NAME;
if (skb_linearize(skb))
return false;
msg = buf_msg(skb);
@@ -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;
}