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cfg80211-wext: export symbols only when needed

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When a fully converted cfg80211 driver needs cfg80211-wext for
userspace API purposes, the symbols need not be exported. When
other drivers (orinoco/hermes or ipw2200) are enabled, they do
need the symbols exported as they use them directly.

Make those drivers select a new CFG80211_WEXT_EXPORT Kconfig
symbol (instead of just CFG80211_WEXT) and export the functions
only if requested - this saves about 1/2k due to the size of
EXPORT_SYMBOL() itself.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2015-01-06 14:00:53 +01:00
parent 7d9bb2f065
commit 2afe38d15c
6 changed files with 27 additions and 13 deletions
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4
net/wireless/scan.c
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@@ -1237,7 +1237,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
kfree(creq);
return err;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwscan);
EXPORT_WEXT_HANDLER(cfg80211_wext_siwscan);
static void ieee80211_scan_add_ies(struct iw_request_info *info,
const struct cfg80211_bss_ies *ies,
@@ -1545,5 +1545,5 @@ int cfg80211_wext_giwscan(struct net_device *dev,
return res;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_giwscan);
EXPORT_WEXT_HANDLER(cfg80211_wext_giwscan);
#endif