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); }