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iwlwifi: allow to switch to HT40 if not associated

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commit 78feb35b81 upstream.

My previous patch
34a5b4b6af iwlwifi: do not re-configure
HT40 after associated

Fix the case of HT40 after association on specified AP, but it break the
association for some APs and cause not able to establish connection.
We need to address HT40 before and after addociation.

Reported-by: Andrej Gelenberg <andrej.gelenberg@udo.edu>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Tested-by: Andrej Gelenberg <andrej.gelenberg@udo.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Wey-Yi Guy
2011-12-14 08:22:36 -08:00
committed by Greg Kroah-Hartman
parent 3b610f6383
commit db3be35a96
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
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@@ -620,8 +620,8 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
if (ctx->ht.enabled) {
/* if HT40 is used, it should not change
* after associated except channel switch */
if (iwl_is_associated_ctx(ctx) &&
!ctx->ht.is_40mhz)
if (!ctx->ht.is_40mhz ||
!iwl_is_associated_ctx(ctx))
iwlagn_config_ht40(conf, ctx);
} else
ctx->ht.is_40mhz = false;