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openvswitch: fix linking without CONFIG_NF_CONNTRACK_LABELS

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[ Upstream commit a277d516de ]

When CONFIG_CC_OPTIMIZE_FOR_DEBUGGING is enabled, the compiler
fails to optimize out a dead code path, which leads to a link failure:

net/openvswitch/conntrack.o: In function `ovs_ct_set_labels':
conntrack.c:(.text+0x2e60): undefined reference to `nf_connlabels_replace'

In this configuration, we can take a shortcut, and completely
remove the contrack label code. This may also help the regular
optimization.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Arnd Bergmann 2018-11-02 16:36:55 +01:00 • committed by Greg Kroah-Hartman
commit 465073e44f
1 changed files with 2 additions and 1 deletions
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3
net/openvswitch/conntrack.c
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@ -1199,7 +1199,8 @@ static int ovs_ct_commit(struct net *net, struct sw_flow_key *key,
&info->labels.mask);
if (err)
return err;
} else if (labels_nonzero(&info->labels.mask)) {
} else if (IS_ENABLED(CONFIG_NF_CONNTRACK_LABELS) &&
labels_nonzero(&info->labels.mask)) {
err = ovs_ct_set_labels(ct, key, &info->labels.value,
&info->labels.mask);
if (err)