batman-adv: Add get_link_net compat code for Linux < 4.0.0
LEDE is still using Linux 3.18 on some systems. Allow to build batman-adv for it by not checking the netns of a possible netdev link during the batadv-on-batadv check. Signed-off-by: Sven Eckelmann <sven@narfation.org>
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From: Sven Eckelmann <sven@narfation.org>
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Date: Fri, 23 Sep 2016 14:55:38 +0200
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Subject: [PATCH] Add compat fallback for batadv_getlink_net
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---
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net/batman-adv/hard-interface.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
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index 08ce361..e6ea2f9 100644
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--- a/net/batman-adv/hard-interface.c
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+++ b/net/batman-adv/hard-interface.c
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@@ -95,6 +95,9 @@ out:
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static const struct net *batadv_getlink_net(const struct net_device *netdev,
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const struct net *fallback_net)
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{
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)
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+ return fallback_net;
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+#else
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if (!netdev->rtnl_link_ops)
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return fallback_net;
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@@ -102,6 +105,7 @@ static const struct net *batadv_getlink_net(const struct net_device *netdev,
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return fallback_net;
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return netdev->rtnl_link_ops->get_link_net(netdev);
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+#endif
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}
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/**
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