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Commit 1e5d343b authored by Linus Lüssing's avatar Linus Lüssing Committed by Simon Wunderlich
Browse files

batman-adv: fix elp packet data reservation 



The skb_reserve() call only reserved headroom for the mac header, but
not the elp packet header itself.

Fixing this by using skb_put()'ing towards the skb tail instead of
skb_push()'ing towards the skb head.

Fixes: d6f94d91 ("batman-adv: ELP - adding basic infrastructure")
Signed-off-by: default avatarLinus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: default avatarMarek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: default avatarSven Eckelmann <sven@narfation.org>
Signed-off-by: default avatarSimon Wunderlich <sw@simonwunderlich.de>
parent 93652344

net/batman-adv/bat_v_elp.c

+1 −1
Original line number Diff line number Diff line
@@ -335,7 +335,7 @@ int batadv_v_elp_iface_enable(struct batadv_hard_iface *hard_iface) 
		goto out;



	skb_reserve(hard_iface->bat_v.elp_skb, ETH_HLEN + NET_IP_ALIGN);

	elp_buff = skb_push(hard_iface->bat_v.elp_skb, BATADV_ELP_HLEN);

	elp_buff = skb_put(hard_iface->bat_v.elp_skb, BATADV_ELP_HLEN);

	elp_packet = (struct batadv_elp_packet *)elp_buff;

	memset(elp_packet, 0, BATADV_ELP_HLEN);