iwlagn: alwasy send RXON with disassociate falge before associate

Before send the RXON command with associated flag set, always do disassociate
first to make sure uCode is in the correct state.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

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

@@ -389,11 +389,9 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 	 * AP station must be done after the BSSID is set to correctly
 	 * set up filters in the device.
 	 */
-	if ((old_assoc && new_assoc) || !new_assoc) {
 	ret = iwlagn_rxon_disconn(priv, ctx);
 	if (ret)
 		return ret;
-	}
 
 	if (new_assoc)
 		return iwlagn_rxon_connect(priv, ctx);

drivers/net/wireless/iwlwifi/iwl-tx.c

@@ -582,6 +582,11 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	int trace_idx;
 #endif
 
+	if (test_bit(STATUS_FW_ERROR, &priv->status)) {
+		IWL_WARN(priv, "fw recovery, no hcmd send\n");
+		return -EIO;
+	}
+
 	copy_size = sizeof(out_cmd->hdr);
 	cmd_size = sizeof(out_cmd->hdr);