3.16.82-rc1 review patch. If anyone has any objections, please let me know.
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From: Paolo Abeni pabeni@redhat.com
commit 8ffeb03fbba3b599690b361467bfd2373e8c450f upstream.
All the callers of ovs_flow_cmd_build_info() already deal with error return code correctly, so we can handle the error condition in a more gracefull way. Still dump a warning to preserve debuggability.
v1 -> v2: - clarify the commit message - clean the skb and report the error (DaveM)
Fixes: ccb1352e76cf ("net: Add Open vSwitch kernel components.") Signed-off-by: Paolo Abeni pabeni@redhat.com Signed-off-by: David S. Miller davem@davemloft.net [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings ben@decadent.org.uk --- net/openvswitch/datapath.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -788,7 +788,10 @@ static struct sk_buff *ovs_flow_cmd_buil retval = ovs_flow_cmd_fill_info(flow, dp_ifindex, skb, info->snd_portid, info->snd_seq, 0, cmd); - BUG_ON(retval < 0); + if (WARN_ON_ONCE(retval < 0)) { + kfree_skb(skb); + skb = ERR_PTR(retval); + } return skb; }