batman-adv: fix compilation bug in batadv_is_cfg80211_netdev()
Because batman-adv is built under backports, not a clean linux tree, the CONFIG_CFG80211 does not exist. The evaluation of IS_ENABLED() in batadv_is_cfg80211_netdev() will be false, causing the funtion to always return false. This means that the wifi_flags of an interface don't get set, causing batadv_is_wifi_hardif() to always return false. As a result, batadv_v_elp_get_throughput() never tries to get the station info from cfg80211, resulting in the following warning: batman_adv: bat0: WiFi driver or ethtool info does not provide information about link speeds on interface phy1-mesh0, therefore defaulting to hardcoded throughput values of 1.0 Mbps. So replace CONFIG_CFG80211 with CPTCFG_CFG80211, which is the correct macro to use under backports. Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
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From: Alexandru Gagniuc <mr.nuke.me@gmail.com>
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Date: Thu, 6 Apr 2023 18:05:50 -0500
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Subject: fix batadv_is_cfg80211_netdev
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Replace CONFIG_CFG80211 with CPTCFG_CFG80211, which is the correct
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macro to use when building under backports.
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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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@@ -307,8 +307,7 @@ static bool batadv_is_cfg80211_netdev(st
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{
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if (!net_device)
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return false;
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-
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-#if IS_ENABLED(CONFIG_CFG80211)
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+#if IS_ENABLED(CPTCFG_CFG80211)
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/* cfg80211 drivers have to set ieee80211_ptr */
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if (net_device->ieee80211_ptr)
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return true;
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