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cfg80211: don't export ieee80211_get_channel 

This patch makes ieee80211_get_channel a static inline defined in
cfg80211's header file which simply calls __ieee80211_get_channel
to avoid symbol clashes with the ieee80211 code.

The problem was pointed out by David Miller, thanks!

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-03-26 14:14:55 +01:00 committed by John W. Linville
parent 7d57961183
commit 6c507cd040
2 changed files with 18 additions and 6 deletions
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18
include/net/wireless.h
View File

@ -304,10 +304,22 @@ extern int ieee80211_channel_to_frequency(int chan);
*/
extern int ieee80211_frequency_to_channel(int freq);
/*
* Name indirection necessary because the ieee80211 code also has
* a function named "ieee80211_get_channel", so if you include
* cfg80211's header file you get cfg80211's version, if you try
* to include both header files you'll (rightfully!) get a symbol
* clash.
*/
extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
int freq);
/**
* ieee80211_get_channel - get channel struct from wiphy for specified frequency
*/
extern struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy,
int freq);
static inline struct ieee80211_channel *
ieee80211_get_channel(struct wiphy *wiphy, int freq)
{
return __ieee80211_get_channel(wiphy, freq);
}
#endif /* __NET_WIRELESS_H */

6
net/wireless/util.c
View File

@ -33,8 +33,8 @@ int ieee80211_frequency_to_channel(int freq)
}
EXPORT_SYMBOL(ieee80211_frequency_to_channel);
struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy,
int freq)
struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
int freq)
{
enum ieee80211_band band;
struct ieee80211_supported_band *sband;
@ -54,7 +54,7 @@ struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy,
return NULL;
}
EXPORT_SYMBOL(ieee80211_get_channel);
EXPORT_SYMBOL(__ieee80211_get_channel);
static void set_mandatory_flags_band(struct ieee80211_supported_band *sband,
enum ieee80211_band band)