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authorJohn W. Linville <linville@tuxdriver.com>2011-05-05 13:32:35 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-05-05 13:32:35 -0400
commita70171dce9cd44cb06c7d299eba9fa87a8933045 (patch)
tree5425df5f33fadc617c7dec99578d06f0d933578e /net/wireless
parent5a412ad7f4c95bb5b756aa12b52646e857e7c75d (diff)
parenteaef6a93bd52a2cc47b9fce201310010707afdb4 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: drivers/net/wireless/libertas/if_cs.c drivers/net/wireless/rtlwifi/pci.c net/bluetooth/l2cap_sock.c
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/core.c17
-rw-r--r--net/wireless/reg.c3
2 files changed, 19 insertions, 1 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index fe01de29bfe8..bbf1fa11107a 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -46,6 +46,11 @@ static struct dentry *ieee80211_debugfs_dir;
/* for the cleanup, scan and event works */
struct workqueue_struct *cfg80211_wq;
+static bool cfg80211_disable_40mhz_24ghz;
+module_param(cfg80211_disable_40mhz_24ghz, bool, 0644);
+MODULE_PARM_DESC(cfg80211_disable_40mhz_24ghz,
+ "Disable 40MHz support in the 2.4GHz band");
+
/* requires cfg80211_mutex to be held! */
struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx)
{
@@ -451,6 +456,18 @@ int wiphy_register(struct wiphy *wiphy)
return -EINVAL;
/*
+ * Since cfg80211_disable_40mhz_24ghz is global, we can
+ * modify the sband's ht data even if the driver uses a
+ * global structure for that.
+ */
+ if (cfg80211_disable_40mhz_24ghz &&
+ band == IEEE80211_BAND_2GHZ &&
+ sband->ht_cap.ht_supported) {
+ sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
+ }
+
+ /*
* Since we use a u32 for rate bitmaps in
* ieee80211_get_response_rate, we cannot
* have more than 32 legacy rates.
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 58d69959ab28..1613080a96b9 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1455,7 +1455,8 @@ static void reg_process_hint(struct regulatory_request *reg_request)
* We only time out user hints, given that they should be the only
* source of bogus requests.
*/
- if (reg_request->initiator == NL80211_REGDOM_SET_BY_USER)
+ if (r != -EALREADY &&
+ reg_request->initiator == NL80211_REGDOM_SET_BY_USER)
schedule_delayed_work(&reg_timeout, msecs_to_jiffies(3142));
}