this also allows to kill some competely dead code, e.g. many of the
non-locked __foo routines.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
--- 1.91/include/linux/netdevice.h 2004-10-26 18:09:33 +02:00
+++ edited/include/linux/netdevice.h 2004-10-30 21:04:33 +02:00
@@ -526,20 +526,13 @@
extern int netdev_boot_setup_check(struct net_device *dev);
extern unsigned long netdev_boot_base(const char *prefix, int unit);
extern struct net_device *dev_getbyhwaddr(unsigned short type, char
*hwaddr);
-extern struct net_device *__dev_getfirstbyhwtype(unsigned short type);
extern struct net_device *dev_getfirstbyhwtype(unsigned short type);
extern void dev_add_pack(struct packet_type *pt);
extern void dev_remove_pack(struct packet_type *pt);
extern void __dev_remove_pack(struct packet_type *pt);
-extern int __dev_get(const char *name);
-static inline int __deprecated dev_get(const char *name)
-{
- return __dev_get(name);
-}
+
extern struct net_device *dev_get_by_flags(unsigned short flags,
unsigned short mask);
-extern struct net_device *__dev_get_by_flags(unsigned short flags,
- unsigned short mask);
extern struct net_device *dev_get_by_name(const char *name);
extern struct net_device *__dev_get_by_name(const char *name);
extern int dev_alloc_name(struct net_device *dev, const char
*name);
@@ -553,7 +546,6 @@
extern int register_netdevice_notifier(struct notifier_block *nb);
extern int unregister_netdevice_notifier(struct notifier_block
*nb);
extern int call_netdevice_notifiers(unsigned long val, void *v);
-extern int dev_new_index(void);
extern struct net_device *dev_get_by_index(int ifindex);
extern struct net_device *__dev_get_by_index(int ifindex);
extern int dev_restart(struct net_device *dev);
@@ -910,7 +902,6 @@
/* These functions live elsewhere (drivers/net/net_init.c, but related) */
extern void ether_setup(struct net_device *dev);
-extern void fddi_setup(struct net_device *dev);
extern void tr_setup(struct net_device *dev);
extern void fc_setup(struct net_device *dev);
extern void fc_freedev(struct net_device *dev);
--- 1.169/net/core/dev.c 2004-10-26 18:09:33 +02:00
+++ edited/net/core/dev.c 2004-10-30 23:17:56 +02:00
@@ -520,35 +520,6 @@
return dev;
}
-/*
- Return value is changed to int to prevent illegal usage in future.
- It is still legal to use to check for device existence.
-
- User should understand, that the result returned by this function
- is meaningless, if it was not issued under rtnl semaphore.
- */
-
-/**
- * dev_get - test if a device exists
- * @name: name to test for
- *
- * Test if a name exists. Returns true if the name is found. In order
- * to be sure the name is not allocated or removed during the test the
- * caller must hold the rtnl semaphore.
- *
- * This function exists only for back compatibility with older
- * drivers.
- */
-int __dev_get(const char *name)
-{
- struct net_device *dev;
-
- read_lock(&dev_base_lock);
- dev = __dev_get_by_name(name);
- read_unlock(&dev_base_lock);
- return dev != NULL;
-}
-
/**
* __dev_get_by_index - find a device by its ifindex
* @ifindex: index of device
@@ -623,26 +594,17 @@
return dev;
}
-struct net_device *__dev_getfirstbyhwtype(unsigned short type)
-{
- struct net_device *dev;
-
- for (dev = dev_base; dev; dev = dev->next)
- if (dev->type == type)
- break;
- return dev;
-}
-
-EXPORT_SYMBOL(__dev_getfirstbyhwtype);
-
struct net_device *dev_getfirstbyhwtype(unsigned short type)
{
struct net_device *dev;
rtnl_lock();
- dev = __dev_getfirstbyhwtype(type);
- if (dev)
- dev_hold(dev);
+ for (dev = dev_base; dev; dev = dev->next) {
+ if (dev->type == type) {
+ dev_hold(dev);
+ break;
+ }
+ }
rtnl_unlock();
return dev;
}
@@ -665,32 +627,14 @@
struct net_device *dev;
read_lock(&dev_base_lock);
- dev = __dev_get_by_flags(if_flags, mask);
- if (dev)
- dev_hold(dev);
- read_unlock(&dev_base_lock);
- return dev;
-}
-
-/**
- * __dev_get_by_flags - find any device with given flags
- * @if_flags: IFF_* values
- * @mask: bitmask of bits in if_flags to check
- *
- * Search for any interface with the given flags. Returns NULL if a device
- * is not found or a pointer to the device. The caller must hold either
- * the RTNL semaphore or @dev_base_lock.
- */
-
-struct net_device *__dev_get_by_flags(unsigned short if_flags, unsigned short
mask)
-{
- struct net_device *dev;
-
for (dev = dev_base; dev != NULL; dev = dev->next) {
- if (((dev->flags ^ if_flags) & mask) == 0)
- return dev;
+ if (((dev->flags ^ if_flags) & mask) == 0) {
+ dev_hold(dev);
+ break;
+ }
}
- return NULL;
+ read_unlock(&dev_base_lock);
+ return dev;
}
/**
@@ -2696,7 +2640,7 @@
* number. The caller must hold the rtnl semaphore or the
* dev_base_lock to be sure it remains unique.
*/
-int dev_new_index(void)
+static int dev_new_index(void)
{
static int ifindex;
for (;;) {
@@ -3236,30 +3180,23 @@
subsys_initcall(net_dev_init);
-EXPORT_SYMBOL(__dev_get);
-EXPORT_SYMBOL(__dev_get_by_flags);
EXPORT_SYMBOL(__dev_get_by_index);
EXPORT_SYMBOL(__dev_get_by_name);
EXPORT_SYMBOL(__dev_remove_pack);
EXPORT_SYMBOL(__skb_linearize);
-EXPORT_SYMBOL(call_netdevice_notifiers);
EXPORT_SYMBOL(dev_add_pack);
EXPORT_SYMBOL(dev_alloc_name);
EXPORT_SYMBOL(dev_close);
EXPORT_SYMBOL(dev_get_by_flags);
EXPORT_SYMBOL(dev_get_by_index);
EXPORT_SYMBOL(dev_get_by_name);
-EXPORT_SYMBOL(dev_getbyhwaddr);
EXPORT_SYMBOL(dev_ioctl);
-EXPORT_SYMBOL(dev_new_index);
EXPORT_SYMBOL(dev_open);
EXPORT_SYMBOL(dev_queue_xmit);
-EXPORT_SYMBOL(dev_queue_xmit_nit);
EXPORT_SYMBOL(dev_remove_pack);
EXPORT_SYMBOL(dev_set_allmulti);
EXPORT_SYMBOL(dev_set_promiscuity);
EXPORT_SYMBOL(dev_change_flags);
-EXPORT_SYMBOL(dev_change_name);
EXPORT_SYMBOL(dev_set_mtu);
EXPORT_SYMBOL(free_netdev);
EXPORT_SYMBOL(netdev_boot_setup_check);
|