From: Marek Lindner Date: Sun, 4 Dec 2011 20:01:51 +0000 (+0800) Subject: batman-adv: simplify bat_ogm_receive API call X-Git-Tag: firefly_0821_release~3680^2~3338^2~96^2~19 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8780dad9e97f564da0eb3443009c3203122e7e7d;p=firefly-linux-kernel-4.4.55.git batman-adv: simplify bat_ogm_receive API call Most of the values in that call are derived from the skb, so we can hand over the skb instead. Reported-by: Simon Wunderlich Signed-off-by: Marek Lindner --- diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index d60e1ba0bc15..3402fa575b47 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -1140,13 +1140,16 @@ out: orig_node_free_ref(orig_node); } -void bat_ogm_receive(const struct ethhdr *ethhdr, unsigned char *packet_buff, - int packet_len, struct hard_iface *if_incoming) +void bat_ogm_receive(struct hard_iface *if_incoming, struct sk_buff *skb) { struct batman_ogm_packet *batman_ogm_packet; - int buff_pos = 0; - unsigned char *tt_buff; + struct ethhdr *ethhdr; + int buff_pos = 0, packet_len; + unsigned char *tt_buff, *packet_buff; + packet_len = skb_headlen(skb); + ethhdr = (struct ethhdr *)skb_mac_header(skb); + packet_buff = skb->data; batman_ogm_packet = (struct batman_ogm_packet *)packet_buff; /* unpack the aggregated packets and process them one by one */ diff --git a/net/batman-adv/bat_ogm.h b/net/batman-adv/bat_ogm.h index 69329c107e28..47edfde6f924 100644 --- a/net/batman-adv/bat_ogm.h +++ b/net/batman-adv/bat_ogm.h @@ -29,7 +29,6 @@ void bat_ogm_init_primary(struct hard_iface *hard_iface); void bat_ogm_update_mac(struct hard_iface *hard_iface); void bat_ogm_schedule(struct hard_iface *hard_iface, int tt_num_changes); void bat_ogm_emit(struct forw_packet *forw_packet); -void bat_ogm_receive(const struct ethhdr *ethhdr, unsigned char *packet_buff, - int packet_len, struct hard_iface *if_incoming); +void bat_ogm_receive(struct hard_iface *if_incoming, struct sk_buff *skb); #endif /* _NET_BATMAN_ADV_OGM_H_ */ diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 4363d197aebc..5bc41c896e35 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -272,9 +272,7 @@ int recv_bat_ogm_packet(struct sk_buff *skb, struct hard_iface *hard_iface) if (skb_linearize(skb) < 0) return NET_RX_DROP; - ethhdr = (struct ethhdr *)skb_mac_header(skb); - - bat_ogm_receive(ethhdr, skb->data, skb_headlen(skb), hard_iface); + bat_ogm_receive(hard_iface, skb); kfree_skb(skb); return NET_RX_SUCCESS;