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Merge branch 'openvswitch-remove-a-couple-of-BUG_ON'

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Paolo Abeni says:

====================
openvswitch: remove a couple of BUG_ON()

The openvswitch kernel datapath includes some BUG_ON() statements to check
for exceptional/unexpected failures. These patches drop a couple of them,
where we can do that without introducing other side effects.

v1 -> v2:
 - avoid memory leaks on error path
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-12-01 13:21:24 -08:00
commit c5d7281135
1 changed files with 9 additions and 2 deletions
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11
net/openvswitch/datapath.c
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@ -905,7 +905,10 @@ static struct sk_buff *ovs_flow_cmd_build_info(const struct sw_flow *flow,
retval = ovs_flow_cmd_fill_info(flow, dp_ifindex, skb,
info->snd_portid, info->snd_seq, 0,
cmd, ufid_flags);
BUG_ON(retval < 0);
if (WARN_ON_ONCE(retval < 0)) {
kfree_skb(skb);
skb = ERR_PTR(retval);
}
return skb;
}
@ -1369,7 +1372,10 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info)
OVS_FLOW_CMD_DEL,
ufid_flags);
rcu_read_unlock();
BUG_ON(err < 0);
if (WARN_ON_ONCE(err < 0)) {
kfree_skb(reply);
goto out_free;
}
ovs_notify(&dp_flow_genl_family, reply, info);
} else {
@ -1377,6 +1383,7 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info)
}
}
out_free:
ovs_flow_free(flow, true);
return 0;
unlock: