[PATCH] net/: fix the WIRELESS_EXT abuse

This patch contains the following changes:
- add a CONFIG_WIRELESS_EXT select'ed by NET_RADIO for conditional
  code
- remove the now no longer required #ifdef CONFIG_NET_RADIO from some
  #include's

Based on a patch by Jean Tourrilhes <jt@hpl.hp.com>.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/Kconfig

@@ -6,7 +6,8 @@ menu "Wireless LAN (non-hamradio)"
 	depends on NETDEVICES
 
 config NET_RADIO
-	bool "Wireless LAN drivers (non-hamradio) & Wireless Extensions"
+	bool "Wireless LAN drivers (non-hamradio)"
+	select WIRELESS_EXT
 	---help---
 	  Support for wireless LANs and everything having to do with radio,
 	  but not with amateur radio or FM broadcasting.

drivers/net/wireless/netwave_cs.c

@@ -55,10 +55,8 @@
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
 #include <linux/bitops.h>
-#ifdef CONFIG_NET_RADIO
 #include <linux/wireless.h>
 #include <net/iw_handler.h>
-#endif
 
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>

drivers/net/wireless/wavelan.p.h

@@ -98,11 +98,7 @@
  * characteristics of the hardware.  Applications such as mobile IP may
  * take advantage of it.
  *
- * You will need to enable the CONFIG_NET_RADIO define in the kernel
- * configuration to enable the wireless extensions (this is the one
- * giving access to the radio network device choice).
- *
- * It might also be a good idea as well to fetch the wireless tools to
+ * It might be a good idea as well to fetch the wireless tools to
  * configure the device and play a bit.
  */
 

drivers/net/wireless/wavelan_cs.p.h

@@ -99,11 +99,7 @@
  * caracteristics of the hardware in a standard way and support for
  * applications for taking advantage of it (like Mobile IP).
  *
- * You will need to enable the CONFIG_NET_RADIO define in the kernel
- * configuration to enable the wireless extensions (this is the one
- * giving access to the radio network device choice).
- *
- * It might also be a good idea as well to fetch the wireless tools to
+ * It might be a good idea as well to fetch the wireless tools to
  * configure the device and play a bit.
  */
 
@@ -440,11 +436,8 @@
 #include <linux/ioport.h>
 #include <linux/fcntl.h>
 #include <linux/ethtool.h>
-
-#ifdef CONFIG_NET_RADIO
 #include <linux/wireless.h>		/* Wireless extensions */
 #include <net/iw_handler.h>		/* New driver API */
-#endif
 
 /* Pcmcia headers that we need */
 #include <pcmcia/cs_types.h>

net/Kconfig

@@ -217,6 +217,9 @@ source "net/irda/Kconfig"
 source "net/bluetooth/Kconfig"
 source "net/ieee80211/Kconfig"
 
+config WIRELESS_EXT
+	bool
+
 endif   # if NET
 endmenu # Networking
 

net/core/Makefile

@@ -14,5 +14,5 @@ obj-$(CONFIG_XFRM) += flow.o
 obj-$(CONFIG_SYSFS) += net-sysfs.o
 obj-$(CONFIG_NET_DIVERT) += dv.o
 obj-$(CONFIG_NET_PKTGEN) += pktgen.o
-obj-$(CONFIG_NET_RADIO) += wireless.o
+obj-$(CONFIG_WIRELESS_EXT) += wireless.o
 obj-$(CONFIG_NETPOLL) += netpoll.o

net/core/dev.c

@@ -110,10 +110,8 @@
 #include <linux/netpoll.h>
 #include <linux/rcupdate.h>
 #include <linux/delay.h>
-#ifdef CONFIG_NET_RADIO
-#include <linux/wireless.h>		/* Note : will define WIRELESS_EXT */
+#include <linux/wireless.h>
 #include <net/iw_handler.h>
-#endif	/* CONFIG_NET_RADIO */
 #include <asm/current.h>
 
 /*
@@ -2028,7 +2026,7 @@ static struct file_operations softnet_seq_fops = {
 	.release = seq_release,
 };
 
-#ifdef WIRELESS_EXT
+#ifdef CONFIG_WIRELESS_EXT
 extern int wireless_proc_init(void);
 #else
 #define wireless_proc_init() 0
@@ -2581,7 +2579,7 @@ int dev_ioctl(unsigned int cmd, void __user *arg)
 					ret = -EFAULT;
 				return ret;
 			}
-#ifdef WIRELESS_EXT
+#ifdef CONFIG_WIRELESS_EXT
 			/* Take care of Wireless Extensions */
 			if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) {
 				/* If command is `set a parameter', or
@@ -2602,7 +2600,7 @@ int dev_ioctl(unsigned int cmd, void __user *arg)
 					ret = -EFAULT;
 				return ret;
 			}
-#endif	/* WIRELESS_EXT */
+#endif	/* CONFIG_WIRELESS_EXT */
 			return -EINVAL;
 	}
 }

net/ieee80211/ieee80211_rx.c

@@ -369,8 +369,8 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 
 	/* Put this code here so that we avoid duplicating it in all
 	 * Rx paths. - Jean II */
+#ifdef CONFIG_WIRELESS_EXT
 #ifdef IW_WIRELESS_SPY		/* defined in iw_handler.h */
-#ifdef CONFIG_NET_RADIO
 	/* If spy monitoring on */
 	if (ieee->spy_data.spy_number > 0) {
 		struct iw_quality wstats;
@@ -397,8 +397,8 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 		/* Update spy records */
 		wireless_spy_update(ieee->dev, hdr->addr2, &wstats);
 	}
-#endif				/* CONFIG_NET_RADIO */
 #endif				/* IW_WIRELESS_SPY */
+#endif				/* CONFIG_WIRELESS_EXT */
 
 #ifdef NOT_YET
 	hostap_update_rx_stats(local->ap, hdr, rx_stats);

net/socket.c

@@ -84,10 +84,7 @@
 #include <linux/compat.h>
 #include <linux/kmod.h>
 #include <linux/audit.h>
-
-#ifdef CONFIG_NET_RADIO
-#include <linux/wireless.h>		/* Note : will define WIRELESS_EXT */
-#endif	/* CONFIG_NET_RADIO */
+#include <linux/wireless.h>
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -840,11 +837,11 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 	if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
 		err = dev_ioctl(cmd, argp);
 	} else
-#ifdef WIRELESS_EXT
+#ifdef CONFIG_WIRELESS_EXT
 	if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) {
 		err = dev_ioctl(cmd, argp);
 	} else
-#endif	/* WIRELESS_EXT */
+#endif	/* CONFIG_WIRELESS_EXT */
 	switch (cmd) {
 		case FIOSETOWN:
 		case SIOCSPGRP: