Commit ae0b693c authored Dec 02, 2010 by Shanyu Zhao Committed by Wey-Yi Guy Dec 13, 2010

iwlagn: check ready in iwlagn_bss_info_changed()



In function iwlagn_bss_info_changed(), we need to check if the driver
is ready before doing real work. Also, the previously put WARN() is
removed because the vif is not guaranteed to be valid. uCode restart
routine will clear the vif.

Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

parent a1da077b

drivers/net/wireless/iwlwifi/iwl-agn-rxon.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -518,7 +518,14 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,

		mutex_lock(&priv->mutex);

		if (WARN_ON(!ctx->vif)) {
		if (unlikely(!iwl_is_ready(priv))) {
		IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
		mutex_unlock(&priv->mutex);
		return;
		}

		if (unlikely(!ctx->vif)) {
		IWL_DEBUG_MAC80211(priv, "leave - vif is NULL\n");
		mutex_unlock(&priv->mutex);
		return;
		}