Staging: batman-adv: Remove compat.h

Since we are now part of mainline, we don't need compat.h to allow
building of the module with old versions of the kernel.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/batman-adv/TODO

@@ -17,9 +17,6 @@
 -> transtable_global (read-only) [outputs the global translation table]
 -> transtable_local (read-only) [outputs the local translation table]
 
-=> strip out all backward compatibility support to older kernels
-   (only found in compat.h)
-
 => fix checkpatch.pl errors
 
 Please send all patches to:

drivers/staging/batman-adv/device.c

@@ -26,8 +26,6 @@
 #include "types.h"
 #include "hash.h"
 
-#include "compat.h"
-
 static struct class *batman_class;
 
 static int Major;	/* Major number assigned to our device driver */

drivers/staging/batman-adv/hard-interface.c

@@ -26,7 +26,6 @@
 #include "translation-table.h"
 #include "routing.h"
 #include "hash.h"
-#include "compat.h"
 
 #define MIN(x, y) ((x) < (y) ? (x) : (y))
 

drivers/staging/batman-adv/main.c

@@ -31,7 +31,6 @@
 #include "types.h"
 #include "vis.h"
 #include "hash.h"
-#include "compat.h"
 
 struct list_head if_list;
 struct hlist_head forw_bat_list;

drivers/staging/batman-adv/originator.c

@@ -26,8 +26,6 @@
 #include "hash.h"
 #include "translation-table.h"
 #include "routing.h"
-#include "compat.h"
-
 
 static DECLARE_DELAYED_WORK(purge_orig_wq, purge_orig);
 
@@ -80,11 +78,10 @@ create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
 
 	bat_dbg(DBG_BATMAN, "Creating new last-hop neighbor of originator\n");
 
-	neigh_node = kmalloc(sizeof(struct neigh_node), GFP_ATOMIC);
+	neigh_node = kzalloc(sizeof(struct neigh_node), GFP_ATOMIC);
 	if (!neigh_node)
 		return NULL;
 
-	memset(neigh_node, 0, sizeof(struct neigh_node));
 	INIT_LIST_HEAD(&neigh_node->list);
 
 	memcpy(neigh_node->addr, neigh, ETH_ALEN);
@@ -131,11 +128,10 @@ struct orig_node *get_orig_node(uint8_t *addr)
 
 	bat_dbg(DBG_BATMAN, "Creating new originator: %pM \n", addr);
 
-	orig_node = kmalloc(sizeof(struct orig_node), GFP_ATOMIC);
+	orig_node = kzalloc(sizeof(struct orig_node), GFP_ATOMIC);
 	if (!orig_node)
 		return NULL;
 
-	memset(orig_node, 0, sizeof(struct orig_node));
 	INIT_LIST_HEAD(&orig_node->neigh_list);
 
 	memcpy(orig_node->orig, addr, ETH_ALEN);
@@ -145,19 +141,15 @@ struct orig_node *get_orig_node(uint8_t *addr)
 
 	size = num_ifs * sizeof(TYPE_OF_WORD) * NUM_WORDS;
 
-	orig_node->bcast_own = kmalloc(size, GFP_ATOMIC);
+	orig_node->bcast_own = kzalloc(size, GFP_ATOMIC);
 	if (!orig_node->bcast_own)
 		goto free_orig_node;
 
-	memset(orig_node->bcast_own, 0, size);
-
 	size = num_ifs * sizeof(uint8_t);
-	orig_node->bcast_own_sum = kmalloc(size, GFP_ATOMIC);
+	orig_node->bcast_own_sum = kzalloc(size, GFP_ATOMIC);
 	if (!orig_node->bcast_own_sum)
 		goto free_bcast_own;
 
-	memset(orig_node->bcast_own_sum, 0, size);
-
 	if (hash_add(orig_hash, orig_node) < 0)
 		goto free_bcast_own_sum;
 

drivers/staging/batman-adv/proc.c

@@ -27,7 +27,6 @@
 #include "types.h"
 #include "hash.h"
 #include "vis.h"
-#include "compat.h"
 
 static struct proc_dir_entry *proc_batman_dir, *proc_interface_file;
 static struct proc_dir_entry *proc_orig_interval_file, *proc_originators_file;

drivers/staging/batman-adv/routing.c

@@ -32,7 +32,6 @@
 #include "ring_buffer.h"
 #include "vis.h"
 #include "aggregation.h"
-#include "compat.h"
 
 DECLARE_WAIT_QUEUE_HEAD(thread_wait);
 
@@ -310,7 +309,6 @@ static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr,
 
 update_hna:
 	update_routes(orig_node, orig_node->router, hna_buff, tmp_hna_buff_len);
-	return;
 }
 
 static char count_real_packets(struct ethhdr *ethhdr,

drivers/staging/batman-adv/send.c

@@ -29,8 +29,6 @@
 #include "vis.h"
 #include "aggregation.h"
 
-#include "compat.h"
-
 /* apply hop penalty for a normal link */
 static uint8_t hop_penalty(const uint8_t tq)
 {

drivers/staging/batman-adv/soft-interface.c

@@ -28,7 +28,6 @@
 #include "hash.h"
 #include <linux/ethtool.h>
 #include <linux/etherdevice.h>
-#include "compat.h"
 
 static uint16_t bcast_seqno = 1; /* give own bcast messages seq numbers to avoid
 				  * broadcast storms */
@@ -120,7 +119,7 @@ void interface_setup(struct net_device *dev)
 
 	/* generate random address */
 	random_ether_addr(dev_addr);
-	memcpy(dev->dev_addr, dev_addr, sizeof(dev->dev_addr));
+	memcpy(dev->dev_addr, dev_addr, ETH_ALEN);
 
 	SET_ETHTOOL_OPS(dev, &bat_ethtool_ops);
 
@@ -269,7 +268,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 dropped:
 	priv->stats.tx_dropped++;
 end:
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 void interface_rx(struct sk_buff *skb, int hdr_size)
@@ -338,7 +337,6 @@ static u32 bat_get_msglevel(struct net_device *dev)
 
 static void bat_set_msglevel(struct net_device *dev, u32 value)
 {
-	return;
 }
 
 static u32 bat_get_link(struct net_device *dev)

drivers/staging/batman-adv/translation-table.c

@@ -24,7 +24,6 @@
 #include "soft-interface.h"
 #include "types.h"
 #include "hash.h"
-#include "compat.h"
 
 struct hashtable_t *hna_local_hash;
 static struct hashtable_t *hna_global_hash;

drivers/staging/batman-adv/vis.c

@@ -26,7 +26,6 @@
 #include "soft-interface.h"
 #include "hard-interface.h"
 #include "hash.h"
-#include "compat.h"
 
 struct hashtable_t *vis_hash;
 DEFINE_SPINLOCK(vis_hash_lock);