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Subject[126/129] iwlagn: check for SMPS mode
3.2-stable review patch.  If anyone has any objections, please let me know.

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Content-Length: 1322
Lines: 42

From: Wey-Yi Guy <wey-yi.w.guy@intel.com>

commit b2ccccdca46273c7b321ecf5041c362cd950da20 upstream.

Check and report WARN only when its invalid

Resolves:
https://bugzilla.kernel.org/show_bug.cgi?id=42621
https://bugzilla.redhat.com/show_bug.cgi?id=766071

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/net/wireless/iwlwifi/iwl-agn-lib.c | 1 +
drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 3 +++
2 files changed, 4 insertions(+)

--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -827,6 +827,7 @@ static int iwl_get_idle_rx_chain_count(s
case IEEE80211_SMPS_STATIC:
case IEEE80211_SMPS_DYNAMIC:
return IWL_NUM_IDLE_CHAINS_SINGLE;
+ case IEEE80211_SMPS_AUTOMATIC:
case IEEE80211_SMPS_OFF:
return active_cnt;
default:
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -559,6 +559,9 @@ int iwlagn_mac_config(struct ieee80211_h

mutex_lock(&priv->shrd->mutex);

+ if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
+ goto out;
+
if (unlikely(test_bit(STATUS_SCANNING, &priv->shrd->status))) {
IWL_DEBUG_MAC80211(priv, "leave - scanning\n");
goto out;



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