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| author | Johannes Berg <johannes.berg@intel.com> | 2012-12-06 15:47:38 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-01-03 13:01:29 +0100 |
| commit | 458f4f9e960b9a3b674c4b87d996eef186b1fe83 (patch) | |
| tree | febf655badc2a045b3aaaf63271226729c76e325 /net/wireless/reg.h | |
| parent | 379b82f4c9dc6e67bf61aa61b096c06a2f320f60 (diff) | |
| download | lwn-458f4f9e960b9a3b674c4b87d996eef186b1fe83.tar.gz lwn-458f4f9e960b9a3b674c4b87d996eef186b1fe83.zip | |
regulatory: use RCU to protect global and wiphy regdomains
To simplify the locking and not require cfg80211_mutex
(which nl80211 uses to access the global regdomain) and
also to make it possible for drivers to access their
wiphy->regd safely, use RCU to protect these pointers.
Acked-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/reg.h')
| -rw-r--r-- | net/wireless/reg.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/wireless/reg.h b/net/wireless/reg.h index d391b50d2829..af2d5f8a5d82 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -16,7 +16,7 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -extern const struct ieee80211_regdomain *cfg80211_regdomain; +extern const struct ieee80211_regdomain __rcu *cfg80211_regdomain; bool is_world_regdom(const char *alpha2); bool reg_supported_dfs_region(u8 dfs_region); |