NULL noise in drivers/net

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

24 files changed, 49 insertions, 57 deletions

diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c
index 684bab781015..6ab84b661d70 100644
--- a/drivers/net/3c515.c
+++ b/drivers/net/3c515.c
@@ -1361,7 +1361,7 @@ static int boomerang_rx(struct net_device *dev)
                         /* Check if the packet is long enough to just accept without
                            copying to a properly sized skbuff. */
                         if (pkt_len < rx_copybreak
-                            && (skb = dev_alloc_skb(pkt_len + 4)) != 0) {
+                            && (skb = dev_alloc_skb(pkt_len + 4)) != NULL) {
                                 skb_reserve(skb, 2);    /* Align IP on 16 byte boundaries */
                                 /* 'skb_put()' points to the start of sk_buff data area. */
                                 memcpy(skb_put(skb, pkt_len),
diff --git a/drivers/net/7990.c b/drivers/net/7990.c
index 224e0bff1ae0..750a46f4bc58 100644
--- a/drivers/net/7990.c
+++ b/drivers/net/7990.c
@@ -277,8 +277,6 @@ static int lance_rx (struct net_device *dev)
         volatile struct lance_init_block *ib = lp->init_block;
         volatile struct lance_rx_desc *rd;
         unsigned char bits;
-        int len = 0;                    /* XXX shut up gcc warnings */
-        struct sk_buff *skb = 0;        /* XXX shut up gcc warnings */
 #ifdef TEST_HITS
         int i;
 #endif
@@ -318,10 +316,10 @@ static int lance_rx (struct net_device *dev)
                         if (bits & LE_R1_FRA) dev->stats.rx_frame_errors++;
                         if (bits & LE_R1_EOP) dev->stats.rx_errors++;
                 } else {
-                        len = (rd->mblength & 0xfff) - 4;
-                        skb = dev_alloc_skb (len+2);
+                        int len = (rd->mblength & 0xfff) - 4;
+                        struct sk_buff *skb = dev_alloc_skb (len+2);
 
-                        if (skb == 0) {
+                        if (!skb) {
                                 printk ("%s: Memory squeeze, deferring packet.\n",
                                         dev->name);
                                 dev->stats.rx_dropped++;
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c
index 18f7f815f66e..6c5719ae8cca 100644
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -269,8 +269,6 @@ static int lance_rx (struct net_device *dev)
         volatile struct lance_regs *ll = lp->ll;
         volatile struct lance_rx_desc *rd;
         unsigned char bits;
-        int len = 0;                    /* XXX shut up gcc warnings */
-        struct sk_buff *skb = 0;        /* XXX shut up gcc warnings */
 
 #ifdef TEST_HITS
         int i;
@@ -306,10 +304,10 @@ static int lance_rx (struct net_device *dev)
                         if (bits & LE_R1_FRA) dev->stats.rx_frame_errors++;
                         if (bits & LE_R1_EOP) dev->stats.rx_errors++;
                 } else {
-                        len = (rd->mblength & 0xfff) - 4;
-                        skb = dev_alloc_skb (len+2);
+                        int len = (rd->mblength & 0xfff) - 4;
+                        struct sk_buff *skb = dev_alloc_skb (len+2);
 
-                        if (skb == 0) {
+                        if (!skb) {
                                 printk(KERN_WARNING "%s: Memory squeeze, "
                                        "deferring packet.\n", dev->name);
                                 dev->stats.rx_dropped++;
@@ -477,7 +475,7 @@ static irqreturn_t lance_interrupt (int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-struct net_device *last_dev = 0;
+struct net_device *last_dev;
 
 static int lance_open (struct net_device *dev)
 {
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 94d1857d2c5d..3bb69d538ef0 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -2757,7 +2757,7 @@ bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
                 }
 
 #ifdef BCM_VLAN
-                if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && (bp->vlgrp != 0)) {
+                if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && bp->vlgrp) {
                         vlan_hwaccel_receive_skb(skb, bp->vlgrp,
                                 rx_hdr->l2_fhdr_vlan_tag);
                 }
@@ -5660,7 +5660,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
         }
 
-        if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
+        if (bp->vlgrp && vlan_tx_tag_present(skb)) {
                 vlan_tag_flags |=
                         (TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
         }
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 2bacb5e4604d..14299f8063af 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -5085,7 +5085,7 @@ static int __devinit cas_init_one(struct pci_dev *pdev,
 
         /* give us access to cassini registers */
         cp->regs = pci_iomap(pdev, 0, casreg_len);
-        if (cp->regs == 0UL) {
+        if (!cp->regs) {
                 dev_err(&pdev->dev, "Cannot map device registers, aborting.\n");
                 goto err_out_free_res;
         }
diff --git a/drivers/net/eepro100.c b/drivers/net/eepro100.c
index 1548a80f917d..3003e9276976 100644
--- a/drivers/net/eepro100.c
+++ b/drivers/net/eepro100.c
@@ -1788,7 +1788,7 @@ speedo_rx(struct net_device *dev)
                         /* Check if the packet is long enough to just accept without
                            copying to a properly sized skbuff. */
                         if (pkt_len < rx_copybreak
-                                && (skb = dev_alloc_skb(pkt_len + 2)) != 0) {
+                                && (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
                                 skb_reserve(skb, 2);    /* Align IP on 16 byte boundaries */
                                 /* 'skb_put()' points to the start of sk_buff data area. */
                                 pci_dma_sync_single_for_cpu(sp->pdev, sp->rx_ring_dma[entry],
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 580cb4ab2af1..0a9b75139e0f 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -701,7 +701,7 @@ static void sixpack_close(struct tty_struct *tty)
         sp = tty->disc_data;
         tty->disc_data = NULL;
         write_unlock(&disc_data_lock);
-        if (sp == 0)
+        if (!sp)
                 return;
 
         /*
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 803a3bdea0af..cfcd15af501e 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -821,7 +821,7 @@ static void mkiss_close(struct tty_struct *tty)
         tty->disc_data = NULL;
         write_unlock(&disc_data_lock);
 
-        if (ax == 0)
+        if (!ax)
                 return;
 
         /*
diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c
index 49421d1cd3a5..571dd80fb850 100644
--- a/drivers/net/hp100.c
+++ b/drivers/net/hp100.c
@@ -1153,7 +1153,7 @@ static void hp100_init_pdls(struct net_device *dev)
         printk("hp100: %s: init pdls\n", dev->name);
 #endif
 
-        if (0 == lp->page_vaddr_algn)
+        if (!lp->page_vaddr_algn)
                 printk("hp100: %s: Warning: lp->page_vaddr_algn not initialised!\n", dev->name);
         else {
                 /* pageptr shall point into the DMA accessible memory region  */
diff --git a/drivers/net/mac89x0.c b/drivers/net/mac89x0.c
index a19b5958cee9..2a66e5b7cebc 100644
--- a/drivers/net/mac89x0.c
+++ b/drivers/net/mac89x0.c
@@ -289,7 +289,7 @@ struct net_device * __init mac89x0_probe(int unit)
         err = register_netdev(dev);
         if (err)
                 goto out1;
-        return 0;
+        return NULL;
 out1:
         nubus_writew(0, dev->base_addr + ADD_PORT);
 out:
diff --git a/drivers/net/mace.c b/drivers/net/mace.c
index 95ebe72f320f..451acdca2a21 100644
--- a/drivers/net/mace.c
+++ b/drivers/net/mace.c
@@ -409,7 +409,7 @@ static inline void mace_clean_rings(struct mace_data *mp)
 
     /* free some skb's */
     for (i = 0; i < N_RX_RING; ++i) {
-        if (mp->rx_bufs[i] != 0) {
+        if (mp->rx_bufs[i] != NULL) {
             dev_kfree_skb(mp->rx_bufs[i]);
             mp->rx_bufs[i] = NULL;
         }
@@ -441,7 +441,7 @@ static int mace_open(struct net_device *dev)
     cp = mp->rx_cmds;
     for (i = 0; i < N_RX_RING - 1; ++i) {
         skb = dev_alloc_skb(RX_BUFLEN + 2);
-        if (skb == 0) {
+        if (!skb) {
             data = dummy_buf;
         } else {
             skb_reserve(skb, 2);        /* so IP header lands on 4-byte bdry */
@@ -903,7 +903,7 @@ static irqreturn_t mace_rxdma_intr(int irq, void *dev_id)
         out_le16(&cp->command, DBDMA_STOP);
         /* got a packet, have a look at it */
         skb = mp->rx_bufs[i];
-        if (skb == 0) {
+        if (!skb) {
             ++dev->stats.rx_dropped;
         } else if (nb > 8) {
             data = skb->data;
@@ -953,9 +953,9 @@ static irqreturn_t mace_rxdma_intr(int irq, void *dev_id)
             break;
         cp = mp->rx_cmds + i;
         skb = mp->rx_bufs[i];
-        if (skb == 0) {
+        if (!skb) {
             skb = dev_alloc_skb(RX_BUFLEN + 2);
-            if (skb != 0) {
+            if (skb) {
                 skb_reserve(skb, 2);
                 mp->rx_bufs[i] = skb;
             }
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 97ba14b759b4..2341b89abc4d 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -354,8 +354,8 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 goto err_out_free_netdev;
         }
 
-        if (((mem_ptr0 == 0UL) && (mem_len == NETXEN_PCI_128MB_SIZE)) ||
-                        (mem_ptr1 == 0UL) || (mem_ptr2 == 0UL)) {
+        if ((!mem_ptr0 && mem_len == NETXEN_PCI_128MB_SIZE) ||
+                        !mem_ptr1 || !mem_ptr2) {
                 DPRINTK(ERR,
                         "Cannot remap adapter memory aborting.:"
                         "0 -> %p, 1 -> %p, 2 -> %p\n",
@@ -1337,7 +1337,7 @@ static struct pci_driver netxen_driver = {
 
 static int __init netxen_init_module(void)
 {
-        if ((netxen_workq = create_singlethread_workqueue("netxen")) == 0)
+        if ((netxen_workq = create_singlethread_workqueue("netxen")) == NULL)
                 return -ENOMEM;
 
         return pci_register_driver(&netxen_driver);
diff --git a/drivers/net/skfp/hwmtm.c b/drivers/net/skfp/hwmtm.c
index 438f424e6361..8a430a366547 100644
--- a/drivers/net/skfp/hwmtm.c
+++ b/drivers/net/skfp/hwmtm.c
@@ -1746,7 +1746,7 @@ static void queue_llc_rx(struct s_smc *smc, SMbuf *mb)
         DB_GEN("queue_llc_rx: mb = %x",(void *)mb,0,4) ;
         smc->os.hwm.queued_rx_frames++ ;
         mb->sm_next = (SMbuf *)NULL ;
-        if (smc->os.hwm.llc_rx_pipe == 0) {
+        if (smc->os.hwm.llc_rx_pipe == NULL) {
                 smc->os.hwm.llc_rx_pipe = mb ;
         }
         else {
@@ -1786,7 +1786,7 @@ static void queue_txd_mb(struct s_smc *smc, SMbuf *mb)
         DB_GEN("_rx: queue_txd_mb = %x",(void *)mb,0,4) ;
         smc->os.hwm.queued_txd_mb++ ;
         mb->sm_next = (SMbuf *)NULL ;
-        if (smc->os.hwm.txd_tx_pipe == 0) {
+        if (smc->os.hwm.txd_tx_pipe == NULL) {
                 smc->os.hwm.txd_tx_pipe = mb ;
         }
         else {
diff --git a/drivers/net/skfp/smt.c b/drivers/net/skfp/smt.c
index ced2c8f76be7..ffbfb1b79f97 100644
--- a/drivers/net/skfp/smt.c
+++ b/drivers/net/skfp/smt.c
@@ -712,7 +712,7 @@ void smt_received_pack(struct s_smc *smc, SMbuf *mb, int fs)
                         smc->mib.priv.fddiPRIVECF_Reply_Rx++ ;
                         DB_SMT("SMT: received ECF reply from %s\n",
                                 addr_to_string(&sm->smt_source),0) ;
-                        if (sm_to_para(smc,sm,SMT_P_ECHODATA) == 0) {
+                        if (sm_to_para(smc,sm,SMT_P_ECHODATA) == NULL) {
                                 DB_SMT("SMT: ECHODATA missing\n",0,0) ;
                                 break ;
                         }
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 467d80dc3b33..97212799c513 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -3056,7 +3056,7 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
         netif_carrier_off(dev);
 
         gp->regs = ioremap(gemreg_base, gemreg_len);
-        if (gp->regs == 0UL) {
+        if (!gp->regs) {
                 printk(KERN_ERR PFX "Cannot map device registers, "
                        "aborting.\n");
                 err = -EIO;
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 25ce26a882d1..b4e7f30ea4e8 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -3060,7 +3060,7 @@ static int __devinit happy_meal_pci_probe(struct pci_dev *pdev,
                 goto err_out_clear_quattro;
         }
 
-        if ((hpreg_base = ioremap(hpreg_res, 0x8000)) == 0) {
+        if ((hpreg_base = ioremap(hpreg_res, 0x8000)) == NULL) {
                 printk(KERN_ERR "happymeal(PCI): Unable to remap card memory.\n");
                 goto err_out_free_res;
         }
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index a9f1640884b1..db606b603884 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -12675,7 +12675,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                 tg3reg_len = pci_resource_len(pdev, 2);
 
                 tp->aperegs = ioremap_nocache(tg3reg_base, tg3reg_len);
-                if (tp->aperegs == 0UL) {
+                if (!tp->aperegs) {
                         printk(KERN_ERR PFX "Cannot map APE registers, "
                                "aborting.\n");
                         err = -ENOMEM;
diff --git a/drivers/net/tokenring/smctr.c b/drivers/net/tokenring/smctr.c
index 93da3a36cde8..8909050b8ea7 100644
--- a/drivers/net/tokenring/smctr.c
+++ b/drivers/net/tokenring/smctr.c
@@ -2310,7 +2310,7 @@ static irqreturn_t smctr_interrupt(int irq, void *dev_id)
                                                 && (tp->acb_head->subcmd
                                                 == RW_TRC_STATUS_BLOCK))
                                         {
-                                                if(tp->ptr_bcn_type != 0)
+                                                if(tp->ptr_bcn_type)
                                                 {
                                                         *(tp->ptr_bcn_type)
                                                                 = (__u32)((SBlock *)tp->misc_command_data)->BCN_Type;
@@ -2980,7 +2980,7 @@ static int smctr_load_firmware(struct net_device *dev)
                 return (UCODE_PRESENT);
 
         /* Verify the firmware exists and is there in the right amount. */
-        if((tp->ptr_ucode == 0L)
+        if (!tp->ptr_ucode
                 || (*(tp->ptr_ucode + UCODE_VERSION_OFFSET) < UCODE_VERSION))
         {
                 return (UCODE_NOT_PRESENT);
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index 37c52e131750..6635ecef36e5 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -491,13 +491,13 @@ int lmc_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                     int pos;
                     int timeout = 500000;
 
-                    if(xc.data == 0x0){
+                    if (!xc.data) {
                             ret = -EINVAL;
                             break;
                     }
 
                     data = kmalloc(xc.len, GFP_KERNEL);
-                    if(data == 0x0){
+                    if (!data) {
                             printk(KERN_WARNING "%s: Failed to allocate memory for copy\n", dev->name);
                             ret = -ENOMEM;
                             break;
@@ -1643,7 +1643,7 @@ static int lmc_rx (struct net_device *dev) /*fold00*/
          * just allocate an skb buff and continue.
          */
         
-        if(skb == 0x0){
+        if (!skb) {
             nsb = dev_alloc_skb (LMC_PKT_BUF_SZ + 2);
             if (nsb) {
                 sc->lmc_rxq[i] = nsb;
diff --git a/drivers/net/wan/lmc/lmc_media.c b/drivers/net/wan/lmc/lmc_media.c
index c9c878cd5c72..8aa461c941ce 100644
--- a/drivers/net/wan/lmc/lmc_media.c
+++ b/drivers/net/wan/lmc/lmc_media.c
@@ -1219,10 +1219,6 @@ lmc_t1_watchdog (lmc_softc_t * const sc)
 static void
 lmc_set_protocol (lmc_softc_t * const sc, lmc_ctl_t * ctl)
 {
-  if (ctl == 0)
-    {
-      sc->ictl.keepalive_onoff = LMC_CTL_ON;
-
-      return;
-    }
+        if (!ctl)
+                sc->ictl.keepalive_onoff = LMC_CTL_ON;
 }
diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c
index 99fee2f1d019..57914fbd41d3 100644
--- a/drivers/net/wan/pc300_drv.c
+++ b/drivers/net/wan/pc300_drv.c
@@ -2365,17 +2365,17 @@ static void falc_intr(pc300_t * card)
 
 static irqreturn_t cpc_intr(int irq, void *dev_id)
 {
-        pc300_t *card;
+        pc300_t *card = dev_id;
         volatile ucchar plx_status;
 
-        if ((card = (pc300_t *) dev_id) == 0) {
+        if (!card) {
 #ifdef PC300_DEBUG_INTR
                 printk("cpc_intr: spurious intr %d\n", irq);
 #endif
                 return IRQ_NONE;                /* spurious intr */
         }
 
-        if (card->hw.rambase == 0) {
+        if (!card->hw.rambase) {
 #ifdef PC300_DEBUG_INTR
                 printk("cpc_intr: spurious intr2 %d\n", irq);
 #endif
@@ -3648,7 +3648,7 @@ static void __devexit cpc_remove_one(struct pci_dev *pdev)
 {
         pc300_t *card = pci_get_drvdata(pdev);
 
-        if (card->hw.rambase != 0) {
+        if (card->hw.rambase) {
                 int i;
 
                 /* Disable interrupts on the PCI bridge */
diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c
index e24a7b095dd6..63abfd72542d 100644
--- a/drivers/net/wan/pc300_tty.c
+++ b/drivers/net/wan/pc300_tty.c
@@ -313,7 +313,7 @@ static int cpc_tty_open(struct tty_struct *tty, struct file *flip)
         if (cpc_tty->num_open == 0) { /* first open of this tty */
                 if (!cpc_tty_area[port].buf_tx){
                         cpc_tty_area[port].buf_tx = kmalloc(CPC_TTY_MAX_MTU,GFP_KERNEL);
-                        if (cpc_tty_area[port].buf_tx == 0){
+                        if (!cpc_tty_area[port].buf_tx) {
                                 CPC_TTY_DBG("%s: error in memory allocation\n",cpc_tty->name);
                                 return -ENOMEM;
                         }
@@ -678,7 +678,7 @@ static void cpc_tty_rx_work(struct work_struct *work)
                 for (j=0; j < CPC_TTY_NPORTS; j++) {
                         cpc_tty = &cpc_tty_area[port];
                 
-                        if ((buf=cpc_tty->buf_rx.first) != 0) {
+                        if ((buf=cpc_tty->buf_rx.first) != NULL) {
                                 if (cpc_tty->tty) {
                                         ld = tty_ldisc_ref(cpc_tty->tty);
                                         if (ld) {
@@ -784,7 +784,7 @@ void cpc_tty_receive(pc300dev_t *pc300dev)
                 } 
                 
                 new = kmalloc(rx_len + sizeof(st_cpc_rx_buf), GFP_ATOMIC);
-                if (new == 0) {
+                if (!new) {
                         cpc_tty_rx_disc_frame(pc300chan);
                         continue;
                 }
@@ -863,7 +863,7 @@ void cpc_tty_receive(pc300dev_t *pc300dev)
                         } 
                         new->size = rx_len;
                         new->next = NULL;
-                        if (cpc_tty->buf_rx.first == 0) {
+                        if (cpc_tty->buf_rx.first == NULL) {
                                 cpc_tty->buf_rx.first = new;
                                 cpc_tty->buf_rx.last = new;
                         } else {
@@ -891,7 +891,7 @@ static void cpc_tty_tx_work(struct work_struct *work)
 
         CPC_TTY_DBG("%s: cpc_tty_tx_work init\n",cpc_tty->name);
         
-        if ((tty = cpc_tty->tty) == 0) { 
+        if ((tty = cpc_tty->tty) == NULL) { 
                 CPC_TTY_DBG("%s: the interface is not opened\n",cpc_tty->name);
                 return; 
         }
@@ -1027,7 +1027,7 @@ void cpc_tty_unregister_service(pc300dev_t *pc300dev)
         ulong flags;
         int res;
 
-        if ((cpc_tty= (st_cpc_tty_area *) pc300dev->cpc_tty) == 0) { 
+        if ((cpc_tty= (st_cpc_tty_area *) pc300dev->cpc_tty) == NULL) {
                 CPC_TTY_DBG("%s: interface is not TTY\n", pc300dev->dev->name);
                 return; 
         }
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 42670acd144b..be9aa4efeca5 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2032,7 +2032,7 @@ static int mpi_send_packet (struct net_device *dev)
 
         /* get a packet to send */
 
-        if ((skb = skb_dequeue(&ai->txq)) == 0) {
+        if ((skb = skb_dequeue(&ai->txq)) == NULL) {
                 airo_print_err(dev->name,
                         "%s: Dequeue'd zero in send_packet()",
                         __FUNCTION__);
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index bca37bf0f545..7483d45bc5bc 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1073,7 +1073,7 @@ static void xennet_release_rx_bufs(struct netfront_info *np)
                 if (!xen_feature(XENFEAT_auto_translated_physmap)) {
                         /* Do all the remapping work and M2P updates. */
                         MULTI_mmu_update(mcl, np->rx_mmu, mmu - np->rx_mmu,
-                                         0, DOMID_SELF);
+                                         NULL, DOMID_SELF);
                         mcl++;
                         HYPERVISOR_multicall(np->rx_mcl, mcl - np->rx_mcl);
                 }