Skip to content

Commit

Permalink
Staging: batman-adv: remove redundant pointer to originator interface
Browse files Browse the repository at this point in the history
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
  • Loading branch information
Marek Lindner authored and Greg Kroah-Hartman committed May 11, 2010
1 parent 1d59f82 commit 35bd69d
Show file tree
Hide file tree
Showing 6 changed files with 14 additions and 27 deletions.
2 changes: 1 addition & 1 deletion drivers/staging/batman-adv/device.c
Original file line number Diff line number Diff line change
Expand Up @@ -250,7 +250,7 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
if (!orig_node->router)
goto unlock;

batman_if = orig_node->batman_if;
batman_if = orig_node->router->if_incoming;
memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);

spin_unlock_irqrestore(&orig_hash_lock, flags);
Expand Down
1 change: 0 additions & 1 deletion drivers/staging/batman-adv/originator.c
Original file line number Diff line number Diff line change
Expand Up @@ -137,7 +137,6 @@ struct orig_node *get_orig_node(uint8_t *addr)

memcpy(orig_node->orig, addr, ETH_ALEN);
orig_node->router = NULL;
orig_node->batman_if = NULL;
orig_node->hna_buff = NULL;

size = num_ifs * sizeof(TYPE_OF_WORD) * NUM_WORDS;
Expand Down
17 changes: 4 additions & 13 deletions drivers/staging/batman-adv/routing.c
Original file line number Diff line number Diff line change
Expand Up @@ -97,11 +97,6 @@ static void update_route(struct orig_node *orig_node,
bat_dbg(DBG_ROUTES, "Changing route towards: %pM (now via %pM - was via %pM)\n", orig_node->orig, neigh_node->addr, orig_node->router->addr);
}

if (neigh_node != NULL)
orig_node->batman_if = neigh_node->if_incoming;
else
orig_node->batman_if = NULL;

orig_node->router = neigh_node;
}

Expand Down Expand Up @@ -616,12 +611,11 @@ static int recv_my_icmp_packet(struct sk_buff *skb)
ret = NET_RX_DROP;

if ((orig_node != NULL) &&
(orig_node->batman_if != NULL) &&
(orig_node->router != NULL)) {

/* don't lock while sending the packets ... we therefore
* copy the required data before sending */
batman_if = orig_node->batman_if;
batman_if = orig_node->router->if_incoming;
memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
spin_unlock_irqrestore(&orig_hash_lock, flags);

Expand Down Expand Up @@ -678,12 +672,11 @@ static int recv_icmp_ttl_exceeded(struct sk_buff *skb)
ret = NET_RX_DROP;

if ((orig_node != NULL) &&
(orig_node->batman_if != NULL) &&
(orig_node->router != NULL)) {

/* don't lock while sending the packets ... we therefore
* copy the required data before sending */
batman_if = orig_node->batman_if;
batman_if = orig_node->router->if_incoming;
memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
spin_unlock_irqrestore(&orig_hash_lock, flags);

Expand Down Expand Up @@ -760,12 +753,11 @@ int recv_icmp_packet(struct sk_buff *skb)
hash_find(orig_hash, icmp_packet->dst));

if ((orig_node != NULL) &&
(orig_node->batman_if != NULL) &&
(orig_node->router != NULL)) {

/* don't lock while sending the packets ... we therefore
* copy the required data before sending */
batman_if = orig_node->batman_if;
batman_if = orig_node->router->if_incoming;
memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
spin_unlock_irqrestore(&orig_hash_lock, flags);

Expand Down Expand Up @@ -844,12 +836,11 @@ int recv_unicast_packet(struct sk_buff *skb)
hash_find(orig_hash, unicast_packet->dest));

if ((orig_node != NULL) &&
(orig_node->batman_if != NULL) &&
(orig_node->router != NULL)) {

/* don't lock while sending the packets ... we therefore
* copy the required data before sending */
batman_if = orig_node->batman_if;
batman_if = orig_node->router->if_incoming;
memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
spin_unlock_irqrestore(&orig_hash_lock, flags);

Expand Down
5 changes: 2 additions & 3 deletions drivers/staging/batman-adv/soft-interface.c
Original file line number Diff line number Diff line change
Expand Up @@ -236,7 +236,6 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
orig_node = transtable_search(ethhdr->h_dest);

if ((orig_node) &&
(orig_node->batman_if) &&
(orig_node->router)) {
if (my_skb_push(skb, sizeof(struct unicast_packet)) < 0)
goto unlock;
Expand All @@ -252,13 +251,13 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);

/* net_dev won't be available when not active */
if (orig_node->batman_if->if_active != IF_ACTIVE)
if (orig_node->router->if_incoming->if_active != IF_ACTIVE)
goto unlock;

/* don't lock while sending the packets ... we therefore
* copy the required data before sending */

batman_if = orig_node->batman_if;
batman_if = orig_node->router->if_incoming;
memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
spin_unlock_irqrestore(&orig_hash_lock, flags);

Expand Down
1 change: 0 additions & 1 deletion drivers/staging/batman-adv/types.h
Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,6 @@ struct batman_if {
struct orig_node { /* structure for orig_list maintaining nodes of mesh */
uint8_t orig[ETH_ALEN];
struct neigh_node *router;
struct batman_if *batman_if;
TYPE_OF_WORD *bcast_own;
uint8_t *bcast_own_sum;
uint8_t tq_own;
Expand Down
15 changes: 7 additions & 8 deletions drivers/staging/batman-adv/vis.c
Original file line number Diff line number Diff line change
Expand Up @@ -498,14 +498,14 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
if (orig_node->router != NULL
&& compare_orig(orig_node->router->addr,
orig_node->orig)
&& orig_node->batman_if
&& (orig_node->batman_if->if_active == IF_ACTIVE)
&& (orig_node->router->if_incoming->if_active ==
IF_ACTIVE)
&& orig_node->router->tq_avg > 0) {

/* fill one entry into buffer. */
entry = &entry_array[info->packet.entries];
memcpy(entry->src,
orig_node->batman_if->net_dev->dev_addr,
orig_node->router->if_incoming->net_dev->dev_addr,
ETH_ALEN);
memcpy(entry->dest, orig_node->orig, ETH_ALEN);
entry->quality = orig_node->router->tq_avg;
Expand Down Expand Up @@ -573,8 +573,7 @@ static void broadcast_vis_packet(struct vis_info *info, int packet_length)
orig_node = hashit.bucket->data;

/* if it's a vis server and reachable, send it. */
if ((!orig_node) || (!orig_node->batman_if) ||
(!orig_node->router))
if ((!orig_node) || (!orig_node->router))
continue;
if (!(orig_node->flags & VIS_SERVER))
continue;
Expand All @@ -584,7 +583,7 @@ static void broadcast_vis_packet(struct vis_info *info, int packet_length)
continue;

memcpy(info->packet.target_orig, orig_node->orig, ETH_ALEN);
batman_if = orig_node->batman_if;
batman_if = orig_node->router->if_incoming;
memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
spin_unlock_irqrestore(&orig_hash_lock, flags);

Expand All @@ -609,12 +608,12 @@ static void unicast_vis_packet(struct vis_info *info, int packet_length)
orig_node = ((struct orig_node *)
hash_find(orig_hash, info->packet.target_orig));

if ((!orig_node) || (!orig_node->batman_if) || (!orig_node->router))
if ((!orig_node) || (!orig_node->router))
goto out;

/* don't lock while sending the packets ... we therefore
* copy the required data before sending */
batman_if = orig_node->batman_if;
batman_if = orig_node->router->if_incoming;
memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
spin_unlock_irqrestore(&orig_hash_lock, flags);

Expand Down

0 comments on commit 35bd69d

Please sign in to comment.