batman-adv: Use default throughput value on cfg80211 error

A wifi interface should never be handled like an ethernet devices. The
parser of the cfg80211 output must therefore skip the ethtool code when
cfg80211_get_station returned an error.

Fixes: f44a3ae9a281 ("batman-adv: refactor wifi interface detection")
Signed-off-by: Sven Eckelmann <[email protected]>
Reviewed-by: Marek Lindner <[email protected]>
Signed-off-by: Simon Wunderlich <[email protected]>

diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
index b90c9903e2465bcfa9a287104dcd054b336c7398..96e7333764f0cffc83086ca77f1c900a34e8ed9a 100644 (file)
--- a/net/batman-adv/bat_v_elp.c
+++ b/net/batman-adv/bat_v_elp.c
@@ -109,8 +109,10 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
                         */
                        return 0;
                }
-               if (!ret)
-                       return sinfo.expected_throughput / 100;
+               if (ret)
+                       goto default_throughput;
+
+               return sinfo.expected_throughput / 100;
        }
 
        /* if not a wifi interface, check if this device provides data via