diff --git a/crypto/algboss.c b/crypto/algboss.c
index 5e6df2a..6ec2ce3 100644
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -90,6 +90,8 @@ out:
 	crypto_alg_put(&param->larval->alg);
 	kfree(param);
 	module_put_and_exit(0);
+
+	return 0;
 }
 
 static int cryptomgr_schedule_probe(struct crypto_larval *larval)
@@ -227,6 +229,8 @@ skiptest:
 
 	kfree(param);
 	module_put_and_exit(0);
+
+	return 0;
 }
 
 static int cryptomgr_schedule_test(struct crypto_alg *alg)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 7bd704a..d329673 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -549,6 +549,8 @@ static struct scatterlist *alloc_sgtable(int size)
 
 void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
 {
+	return;
+
 	struct iwl_fw_error_dump_file *dump_file;
 	struct iwl_fw_error_dump_data *dump_data;
 	struct iwl_fw_error_dump_info *dump_info;
@@ -1106,6 +1108,8 @@ IWL_EXPORT_SYMBOL(iwl_fw_start_dbg_conf);
 
 void iwl_fw_error_dump_wk(struct work_struct *work)
 {
+	return;
+
 	struct iwl_fw_runtime *fwrt =
 		container_of(work, struct iwl_fw_runtime, dump.wk.work);
 
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 9c4a7f6..3bf610f 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -1776,6 +1776,7 @@ MODULE_PARM_DESC(debug, "debug output mask");
 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, S_IRUGO);
 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
+unsigned int *module_param_11n_disable = &iwlwifi_mod_params.disable_11n;
 MODULE_PARM_DESC(11n_disable,
 	"disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/led.c b/drivers/net/wireless/intel/iwlwifi/mvm/led.c
index b272695..143130d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/led.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/led.c
@@ -142,7 +142,7 @@ int iwl_mvm_leds_init(struct iwl_mvm *mvm)
 	if (ret) {
 		kfree(mvm->led.name);
 		IWL_INFO(mvm, "Failed to enable led\n");
-		return ret;
+		return 0;
 	}
 
 	mvm->init_status |= IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 7152fdc..5d133e5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -4368,7 +4368,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
 	.add_interface = iwl_mvm_mac_add_interface,
 	.remove_interface = iwl_mvm_mac_remove_interface,
 	.config = iwl_mvm_mac_config,
-	.prepare_multicast = iwl_mvm_prepare_multicast,
+	.prepare_multicast = 0,
 	.configure_filter = iwl_mvm_configure_filter,
 	.config_iface_filter = iwl_mvm_config_iface_filter,
 	.bss_info_changed = iwl_mvm_bss_info_changed,
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
index f25ce3a..85007fc 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
@@ -1601,7 +1601,7 @@ irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id)
 		 * Re-enable interrupts here since we don't
 		 * have anything to service
 		 */
-		if (test_bit(STATUS_INT_ENABLED, &trans->status))
+		// if (test_bit(STATUS_INT_ENABLED, &trans->status))
 			_iwl_enable_interrupts(trans);
 		spin_unlock(&trans_pcie->irq_lock);
 		lock_map_release(&trans->sync_cmd_lockdep_map);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 99df171..4632cdf 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3781,7 +3781,7 @@ static inline void skb_remcsum_process(struct sk_buff *skb, void *ptr,
 
 	 if (unlikely(skb->ip_summed != CHECKSUM_COMPLETE)) {
 		__skb_checksum_complete(skb);
-		skb_postpull_rcsum(skb, skb->data, ptr - (void *)skb->data);
+		skb_postpull_rcsum(skb, skb->data, (unsigned char*)ptr - skb->data);
 	}
 
 	delta = remcsum_adjust(ptr, skb->csum, start, offset);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index e0f3f4a..a309257 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3977,6 +3977,8 @@ static int packet_notifier(struct notifier_block *this,
 	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 	struct net *net = dev_net(dev);
 
+// XXX check if still needed
+#if 0
 	rcu_read_lock();
 	sk_for_each_rcu(sk, &net->packet.sklist) {
 		struct packet_sock *po = pkt_sk(sk);
@@ -4017,6 +4019,7 @@ static int packet_notifier(struct notifier_block *this,
 		}
 	}
 	rcu_read_unlock();
+#endif
 	return NOTIFY_DONE;
 }
 
@@ -4544,8 +4547,10 @@ static int __net_init packet_net_init(struct net *net)
 	mutex_init(&net->packet.sklist_lock);
 	INIT_HLIST_HEAD(&net->packet.sklist);
 
+#ifdef CONFIG_PROC_FS
 	if (!proc_create("packet", 0, net->proc_net, &packet_seq_fops))
 		return -ENOMEM;
+#endif
 
 	return 0;
 }