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authorJohannes Berg <johannes.berg@intel.com>2015-01-06 14:00:53 +0100
committerJohannes Berg <johannes.berg@intel.com>2015-02-28 21:31:09 +0100
commit2afe38d15cee01b2bb8f22383571f7f4a95f2d99 (patch)
treefb20cff972e089702c3c98bffbc7868bb84834ed /net/wireless/Kconfig
parent7d9bb2f0653c7830e676f1012051fe9349ce2669 (diff)
downloadlinux-2afe38d15cee01b2bb8f22383571f7f4a95f2d99.tar.bz2
cfg80211-wext: export symbols only when needed
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>
Diffstat (limited to 'net/wireless/Kconfig')
-rw-r--r--net/wireless/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 29c8675f9a11..b13dfb4ff001 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -178,10 +178,18 @@ config CFG80211_WEXT
bool "cfg80211 wireless extensions compatibility"
depends on CFG80211
select WEXT_CORE
+ default y if CFG80211_WEXT_EXPORT
help
Enable this option if you need old userspace for wireless
extensions with cfg80211-based drivers.
+config CFG80211_WEXT_EXPORT
+ bool
+ depends on CFG80211
+ help
+ Drivers should select this option if they require cfg80211's
+ wext compatibility symbols to be exported.
+
config LIB80211
tristate
default n