Merging upstream version 6.9.10.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

18 files changed, 84 insertions, 52 deletions

diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index fcb20eac33..b47841e67e 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -1048,31 +1048,31 @@ static int lan9303_get_sset_count(struct dsa_switch *ds, int port, int sset)
 	return ARRAY_SIZE(lan9303_mib);
 }
 
-static int lan9303_phy_read(struct dsa_switch *ds, int phy, int regnum)
+static int lan9303_phy_read(struct dsa_switch *ds, int port, int regnum)
 {
 	struct lan9303 *chip = ds->priv;
 	int phy_base = chip->phy_addr_base;
 
-	if (phy == phy_base)
+	if (port == 0)
 		return lan9303_virt_phy_reg_read(chip, regnum);
-	if (phy > phy_base + 2)
+	if (port > 2)
 		return -ENODEV;
 
-	return chip->ops->phy_read(chip, phy, regnum);
+	return chip->ops->phy_read(chip, phy_base + port, regnum);
 }
 
-static int lan9303_phy_write(struct dsa_switch *ds, int phy, int regnum,
+static int lan9303_phy_write(struct dsa_switch *ds, int port, int regnum,
 			     u16 val)
 {
 	struct lan9303 *chip = ds->priv;
 	int phy_base = chip->phy_addr_base;
 
-	if (phy == phy_base)
+	if (port == 0)
 		return lan9303_virt_phy_reg_write(chip, regnum, val);
-	if (phy > phy_base + 2)
+	if (port > 2)
 		return -ENODEV;
 
-	return chip->ops->phy_write(chip, phy, regnum, val);
+	return chip->ops->phy_write(chip, phy_base + port, regnum, val);
 }
 
 static int lan9303_port_enable(struct dsa_switch *ds, int port,
@@ -1100,7 +1100,7 @@ static void lan9303_port_disable(struct dsa_switch *ds, int port)
 	vlan_vid_del(dsa_port_to_conduit(dp), htons(ETH_P_8021Q), port);
 
 	lan9303_disable_processing_port(chip, port);
-	lan9303_phy_write(ds, chip->phy_addr_base + port, MII_BMCR, BMCR_PDOWN);
+	lan9303_phy_write(ds, port, MII_BMCR, BMCR_PDOWN);
 }
 
 static int lan9303_port_bridge_join(struct dsa_switch *ds, int port,
@@ -1355,8 +1355,6 @@ static const struct dsa_switch_ops lan9303_switch_ops = {
 
 static int lan9303_register_switch(struct lan9303 *chip)
 {
-	int base;
-
 	chip->ds = devm_kzalloc(chip->dev, sizeof(*chip->ds), GFP_KERNEL);
 	if (!chip->ds)
 		return -ENOMEM;
@@ -1365,8 +1363,7 @@ static int lan9303_register_switch(struct lan9303 *chip)
 	chip->ds->num_ports = LAN9303_NUM_PORTS;
 	chip->ds->priv = chip;
 	chip->ds->ops = &lan9303_switch_ops;
-	base = chip->phy_addr_base;
-	chip->ds->phys_mii_mask = GENMASK(LAN9303_NUM_PORTS - 1 + base, base);
+	chip->ds->phys_mii_mask = GENMASK(LAN9303_NUM_PORTS - 1, 0);
 
 	return dsa_register_switch(chip->ds);
 }
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp.c b/drivers/net/ethernet/broadcom/asp2/bcmasp.c
index a806dadc41..20c6529ec1 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp.c
@@ -1380,6 +1380,7 @@ static int bcmasp_probe(struct platform_device *pdev)
 			dev_err(dev, "Cannot create eth interface %d\n", i);
 			bcmasp_remove_intfs(priv);
 			of_node_put(intf_node);
+			ret = -ENOMEM;
 			goto of_put_exit;
 		}
 		list_add_tail(&intf->list, &priv->intfs);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.h b/drivers/net/ethernet/intel/i40e/i40e_adminq.h
index ee86d2c530..55b5bb884d 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.h
@@ -109,10 +109,6 @@ static inline int i40e_aq_rc_to_posix(int aq_ret, int aq_rc)
 		-EFBIG,      /* I40E_AQ_RC_EFBIG */
 	};
 
-	/* aq_rc is invalid if AQ timed out */
-	if (aq_ret == -EIO)
-		return -EAGAIN;
-
 	if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0]))))
 		return -ERANGE;
 
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index ffb9f9f15c..3a2d4d0697 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -13264,6 +13264,10 @@ static int i40e_xdp_setup(struct i40e_vsi *vsi, struct bpf_prog *prog,
 	bool need_reset;
 	int i;
 
+	/* VSI shall be deleted in a moment, block loading new programs */
+	if (prog && test_bit(__I40E_IN_REMOVE, pf->state))
+		return -EINVAL;
+
 	/* Don't allow frames that span over multiple buffers */
 	if (vsi->netdev->mtu > frame_size - I40E_PACKET_HDR_PAD) {
 		NL_SET_ERR_MSG_MOD(extack, "MTU too large for linear frames and XDP prog does not support frags");
@@ -13272,14 +13276,9 @@ static int i40e_xdp_setup(struct i40e_vsi *vsi, struct bpf_prog *prog,
 
 	/* When turning XDP on->off/off->on we reset and rebuild the rings. */
 	need_reset = (i40e_enabled_xdp_vsi(vsi) != !!prog);
-
 	if (need_reset)
 		i40e_prep_for_reset(pf);
 
-	/* VSI shall be deleted in a moment, just return EINVAL */
-	if (test_bit(__I40E_IN_REMOVE, pf->state))
-		return -EINVAL;
-
 	old_prog = xchg(&vsi->xdp_prog, prog);
 
 	if (need_reset) {
diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index 1d5b7bb638..8a810e69cb 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -217,9 +217,9 @@ ltq_etop_free_channel(struct net_device *dev, struct ltq_etop_chan *ch)
 	if (ch->dma.irq)
 		free_irq(ch->dma.irq, priv);
 	if (IS_RX(ch->idx)) {
-		int desc;
+		struct ltq_dma_channel *dma = &ch->dma;
 
-		for (desc = 0; desc < LTQ_DESC_NUM; desc++)
+		for (dma->desc = 0; dma->desc < LTQ_DESC_NUM; dma->desc++)
 			dev_kfree_skb_any(ch->skb[ch->dma.desc]);
 	}
 }
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index eb2a20b5a0..f92dfc65a0 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -1746,7 +1746,7 @@ struct cpt_lf_alloc_req_msg {
 	u16 nix_pf_func;
 	u16 sso_pf_func;
 	u16 eng_grpmsk;
-	int blkaddr;
+	u8 blkaddr;
 	u8 ctx_ilen_valid : 1;
 	u8 ctx_ilen : 7;
 };
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
index d883157393..6c3aca6f27 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
@@ -63,8 +63,13 @@ enum npc_kpu_lb_ltype {
 	NPC_LT_LB_CUSTOM1 = 0xF,
 };
 
+/* Don't modify ltypes up to IP6_EXT, otherwise length and checksum of IP
+ * headers may not be checked correctly. IPv4 ltypes and IPv6 ltypes must
+ * differ only at bit 0 so mask 0xE can be used to detect extended headers.
+ */
 enum npc_kpu_lc_ltype {
-	NPC_LT_LC_IP = 1,
+	NPC_LT_LC_PTP = 1,
+	NPC_LT_LC_IP,
 	NPC_LT_LC_IP_OPT,
 	NPC_LT_LC_IP6,
 	NPC_LT_LC_IP6_EXT,
@@ -72,7 +77,6 @@ enum npc_kpu_lc_ltype {
 	NPC_LT_LC_RARP,
 	NPC_LT_LC_MPLS,
 	NPC_LT_LC_NSH,
-	NPC_LT_LC_PTP,
 	NPC_LT_LC_FCOE,
 	NPC_LT_LC_NGIO,
 	NPC_LT_LC_CUSTOM0 = 0xE,
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index ff78251f92..5f661e67cc 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -1643,7 +1643,7 @@ static int rvu_check_rsrc_availability(struct rvu *rvu,
 		if (req->ssow > block->lf.max) {
 			dev_err(&rvu->pdev->dev,
 				"Func 0x%x: Invalid SSOW req, %d > max %d\n",
-				 pcifunc, req->sso, block->lf.max);
+				 pcifunc, req->ssow, block->lf.max);
 			return -EINVAL;
 		}
 		mappedlfs = rvu_get_rsrc_mapcount(pfvf, block->addr);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
index f047185f38..3e09d22858 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
@@ -696,7 +696,8 @@ int rvu_mbox_handler_cpt_rd_wr_register(struct rvu *rvu,
 					struct cpt_rd_wr_reg_msg *req,
 					struct cpt_rd_wr_reg_msg *rsp)
 {
-	int blkaddr;
+	u64 offset = req->reg_offset;
+	int blkaddr, lf;
 
 	blkaddr = validate_and_get_cpt_blkaddr(req->blkaddr);
 	if (blkaddr < 0)
@@ -707,17 +708,25 @@ int rvu_mbox_handler_cpt_rd_wr_register(struct rvu *rvu,
 	    !is_cpt_vf(rvu, req->hdr.pcifunc))
 		return CPT_AF_ERR_ACCESS_DENIED;
 
-	rsp->reg_offset = req->reg_offset;
-	rsp->ret_val = req->ret_val;
-	rsp->is_write = req->is_write;
-
 	if (!is_valid_offset(rvu, req))
 		return CPT_AF_ERR_ACCESS_DENIED;
 
+	/* Translate local LF used by VFs to global CPT LF */
+	lf = rvu_get_lf(rvu, &rvu->hw->block[blkaddr], req->hdr.pcifunc,
+			(offset & 0xFFF) >> 3);
+
+	/* Translate local LF's offset to global CPT LF's offset */
+	offset &= 0xFF000;
+	offset += lf << 3;
+
+	rsp->reg_offset = offset;
+	rsp->ret_val = req->ret_val;
+	rsp->is_write = req->is_write;
+
 	if (req->is_write)
-		rvu_write64(rvu, blkaddr, req->reg_offset, req->val);
+		rvu_write64(rvu, blkaddr, offset, req->val);
 	else
-		rsp->val = rvu_read64(rvu, blkaddr, req->reg_offset);
+		rsp->val = rvu_read64(rvu, blkaddr, offset);
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 00af8888e3..3dc828cf6c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -3864,6 +3864,11 @@ static int get_flowkey_alg_idx(struct nix_hw *nix_hw, u32 flow_cfg)
 	return -ERANGE;
 }
 
+/* Mask to match ipv6(NPC_LT_LC_IP6) and ipv6 ext(NPC_LT_LC_IP6_EXT) */
+#define NPC_LT_LC_IP6_MATCH_MSK ((~(NPC_LT_LC_IP6 ^ NPC_LT_LC_IP6_EXT)) & 0xf)
+/* Mask to match both ipv4(NPC_LT_LC_IP) and ipv4 ext(NPC_LT_LC_IP_OPT) */
+#define NPC_LT_LC_IP_MATCH_MSK  ((~(NPC_LT_LC_IP ^ NPC_LT_LC_IP_OPT)) & 0xf)
+
 static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
 {
 	int idx, nr_field, key_off, field_marker, keyoff_marker;
@@ -3933,7 +3938,7 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
 			field->hdr_offset = 9; /* offset */
 			field->bytesm1 = 0; /* 1 byte */
 			field->ltype_match = NPC_LT_LC_IP;
-			field->ltype_mask = 0xF;
+			field->ltype_mask = NPC_LT_LC_IP_MATCH_MSK;
 			break;
 		case NIX_FLOW_KEY_TYPE_IPV4:
 		case NIX_FLOW_KEY_TYPE_INNR_IPV4:
@@ -3960,8 +3965,7 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
 					field->bytesm1 = 3; /* DIP, 4 bytes */
 				}
 			}
-
-			field->ltype_mask = 0xF; /* Match only IPv4 */
+			field->ltype_mask = NPC_LT_LC_IP_MATCH_MSK;
 			keyoff_marker = false;
 			break;
 		case NIX_FLOW_KEY_TYPE_IPV6:
@@ -3990,7 +3994,7 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
 					field->bytesm1 = 15; /* DIP,16 bytes */
 				}
 			}
-			field->ltype_mask = 0xF; /* Match only IPv6 */
+			field->ltype_mask = NPC_LT_LC_IP6_MATCH_MSK;
 			break;
 		case NIX_FLOW_KEY_TYPE_TCP:
 		case NIX_FLOW_KEY_TYPE_UDP:
diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 31aebeb2e2..25989c79c9 100644
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -1524,6 +1524,7 @@ static int mtk_star_probe(struct platform_device *pdev)
 {
 	struct device_node *of_node;
 	struct mtk_star_priv *priv;
+	struct phy_device *phydev;
 	struct net_device *ndev;
 	struct device *dev;
 	void __iomem *base;
@@ -1649,6 +1650,12 @@ static int mtk_star_probe(struct platform_device *pdev)
 	netif_napi_add(ndev, &priv->rx_napi, mtk_star_rx_poll);
 	netif_napi_add_tx(ndev, &priv->tx_napi, mtk_star_tx_poll);
 
+	phydev = of_phy_find_device(priv->phy_node);
+	if (phydev) {
+		phydev->mac_managed_pm = true;
+		put_device(&phydev->mdio.dev);
+	}
+
 	return devm_register_netdev(dev, ndev);
 }
 
diff --git a/drivers/net/ethernet/micrel/ks8851_common.c b/drivers/net/ethernet/micrel/ks8851_common.c
index 6453c92f0f..7fa1820db9 100644
--- a/drivers/net/ethernet/micrel/ks8851_common.c
+++ b/drivers/net/ethernet/micrel/ks8851_common.c
@@ -352,11 +352,11 @@ static irqreturn_t ks8851_irq(int irq, void *_ks)
 		netif_dbg(ks, intr, ks->netdev,
 			  "%s: txspace %d\n", __func__, tx_space);
 
-		spin_lock(&ks->statelock);
+		spin_lock_bh(&ks->statelock);
 		ks->tx_space = tx_space;
 		if (netif_queue_stopped(ks->netdev))
 			netif_wake_queue(ks->netdev);
-		spin_unlock(&ks->statelock);
+		spin_unlock_bh(&ks->statelock);
 	}
 
 	if (status & IRQ_SPIBEI) {
@@ -482,6 +482,7 @@ static int ks8851_net_open(struct net_device *dev)
 	ks8851_wrreg16(ks, KS_IER, ks->rc_ier);
 
 	ks->queued_len = 0;
+	ks->tx_space = ks8851_rdreg16(ks, KS_TXMIR);
 	netif_start_queue(ks->netdev);
 
 	netif_dbg(ks, ifup, ks->netdev, "network device up\n");
@@ -635,14 +636,14 @@ static void ks8851_set_rx_mode(struct net_device *dev)
 
 	/* schedule work to do the actual set of the data if needed */
 
-	spin_lock(&ks->statelock);
+	spin_lock_bh(&ks->statelock);
 
 	if (memcmp(&rxctrl, &ks->rxctrl, sizeof(rxctrl)) != 0) {
 		memcpy(&ks->rxctrl, &rxctrl, sizeof(ks->rxctrl));
 		schedule_work(&ks->rxctrl_work);
 	}
 
-	spin_unlock(&ks->statelock);
+	spin_unlock_bh(&ks->statelock);
 }
 
 static int ks8851_set_mac_address(struct net_device *dev, void *addr)
@@ -1101,7 +1102,6 @@ int ks8851_probe_common(struct net_device *netdev, struct device *dev,
 	int ret;
 
 	ks->netdev = netdev;
-	ks->tx_space = 6144;
 
 	ks->gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
 	ret = PTR_ERR_OR_ZERO(ks->gpio);
diff --git a/drivers/net/ethernet/micrel/ks8851_spi.c b/drivers/net/ethernet/micrel/ks8851_spi.c
index 670c1de966..3062cc0f91 100644
--- a/drivers/net/ethernet/micrel/ks8851_spi.c
+++ b/drivers/net/ethernet/micrel/ks8851_spi.c
@@ -340,10 +340,10 @@ static void ks8851_tx_work(struct work_struct *work)
 
 	tx_space = ks8851_rdreg16_spi(ks, KS_TXMIR);
 
-	spin_lock(&ks->statelock);
+	spin_lock_bh(&ks->statelock);
 	ks->queued_len -= dequeued_len;
 	ks->tx_space = tx_space;
-	spin_unlock(&ks->statelock);
+	spin_unlock_bh(&ks->statelock);
 
 	ks8851_unlock_spi(ks, &flags);
 }
diff --git a/drivers/net/phy/microchip_t1.c b/drivers/net/phy/microchip_t1.c
index a838b61cd8..a35528497a 100644
--- a/drivers/net/phy/microchip_t1.c
+++ b/drivers/net/phy/microchip_t1.c
@@ -748,7 +748,7 @@ static int lan87xx_cable_test_report(struct phy_device *phydev)
 	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
 				lan87xx_cable_test_report_trans(detect));
 
-	return 0;
+	return phy_init_hw(phydev);
 }
 
 static int lan87xx_cable_test_get_status(struct phy_device *phydev,
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index fe380fe196..996dee54d7 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -70,6 +70,7 @@
 #define MPHDRLEN_SSN	4	/* ditto with short sequence numbers */
 
 #define PPP_PROTO_LEN	2
+#define PPP_LCP_HDRLEN	4
 
 /*
  * An instance of /dev/ppp can be associated with either a ppp
@@ -493,6 +494,15 @@ static ssize_t ppp_read(struct file *file, char __user *buf,
 	return ret;
 }
 
+static bool ppp_check_packet(struct sk_buff *skb, size_t count)
+{
+	/* LCP packets must include LCP header which 4 bytes long:
+	 * 1-byte code, 1-byte identifier, and 2-byte length.
+	 */
+	return get_unaligned_be16(skb->data) != PPP_LCP ||
+		count >= PPP_PROTO_LEN + PPP_LCP_HDRLEN;
+}
+
 static ssize_t ppp_write(struct file *file, const char __user *buf,
 			 size_t count, loff_t *ppos)
 {
@@ -515,6 +525,11 @@ static ssize_t ppp_write(struct file *file, const char __user *buf,
 		kfree_skb(skb);
 		goto out;
 	}
+	ret = -EINVAL;
+	if (unlikely(!ppp_check_packet(skb, count))) {
+		kfree_skb(skb);
+		goto out;
+	}
 
 	switch (pf->kind) {
 	case INTERFACE:
diff --git a/drivers/net/wireguard/allowedips.c b/drivers/net/wireguard/allowedips.c
index 0ba714ca51..4b8528206c 100644
--- a/drivers/net/wireguard/allowedips.c
+++ b/drivers/net/wireguard/allowedips.c
@@ -15,8 +15,8 @@ static void swap_endian(u8 *dst, const u8 *src, u8 bits)
 	if (bits == 32) {
 		*(u32 *)dst = be32_to_cpu(*(const __be32 *)src);
 	} else if (bits == 128) {
-		((u64 *)dst)[0] = be64_to_cpu(((const __be64 *)src)[0]);
-		((u64 *)dst)[1] = be64_to_cpu(((const __be64 *)src)[1]);
+		((u64 *)dst)[0] = get_unaligned_be64(src);
+		((u64 *)dst)[1] = get_unaligned_be64(src + 8);
 	}
 }
 
diff --git a/drivers/net/wireguard/queueing.h b/drivers/net/wireguard/queueing.h
index 1ea4f874e3..7eb76724b3 100644
--- a/drivers/net/wireguard/queueing.h
+++ b/drivers/net/wireguard/queueing.h
@@ -124,10 +124,10 @@ static inline int wg_cpumask_choose_online(int *stored_cpu, unsigned int id)
  */
 static inline int wg_cpumask_next_online(int *last_cpu)
 {
-	int cpu = cpumask_next(*last_cpu, cpu_online_mask);
+	int cpu = cpumask_next(READ_ONCE(*last_cpu), cpu_online_mask);
 	if (cpu >= nr_cpu_ids)
 		cpu = cpumask_first(cpu_online_mask);
-	*last_cpu = cpu;
+	WRITE_ONCE(*last_cpu, cpu);
 	return cpu;
 }
 
diff --git a/drivers/net/wireguard/send.c b/drivers/net/wireguard/send.c
index 0d48e0f4a1..26e09c30d5 100644
--- a/drivers/net/wireguard/send.c
+++ b/drivers/net/wireguard/send.c
@@ -222,7 +222,7 @@ void wg_packet_send_keepalive(struct wg_peer *peer)
 {
 	struct sk_buff *skb;
 
-	if (skb_queue_empty(&peer->staged_packet_queue)) {
+	if (skb_queue_empty_lockless(&peer->staged_packet_queue)) {
 		skb = alloc_skb(DATA_PACKET_HEAD_ROOM + MESSAGE_MINIMUM_LENGTH,
 				GFP_ATOMIC);
 		if (unlikely(!skb))