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authorSven Neumann <s.neumann@raumfeld.com>2011-08-30 23:38:53 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-09-14 13:26:39 -0400
commiteac03e381957a05f3842ceb8de987a1025966ecf (patch)
tree5dfbfa366c63e481eb92b7f61dbabdd4f82b6ad3 /net/wireless/core.h
parent56e6786e59cba2c714091ed53deffa6001a32841 (diff)
downloadop-kernel-dev-eac03e381957a05f3842ceb8de987a1025966ecf.zip
op-kernel-dev-eac03e381957a05f3842ceb8de987a1025966ecf.tar.gz
cfg80211: hold reg_mutex when updating regulatory
The function wiphy_update_regulatory() uses the static variable last_request and thus needs to be called with reg_mutex held. This is the case for all users in reg.c, but the function was exported for use by wiphy_register(), from where it is called without the lock being held. Fix this by making wiphy_update_regulatory() private and introducing regulatory_update() as a wrapper that acquires and holds the lock. Signed-off-by: Sven Neumann <s.neumann@raumfeld.com> Cc: John W. Linville <linville@tuxdriver.com> Cc: Luis R. Rodriguez <mcgrof@gmail.com> Cc: Daniel Mack <daniel@zonque.org> Cc: linux-wireless@vger.kernel.org Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/core.h')
-rw-r--r--net/wireless/core.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 8672e02..796a4bd 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -279,8 +279,6 @@ extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
char *newname);
void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
-void wiphy_update_regulatory(struct wiphy *wiphy,
- enum nl80211_reg_initiator setby);
void cfg80211_bss_expire(struct cfg80211_registered_device *dev);
void cfg80211_bss_age(struct cfg80211_registered_device *dev,
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