Author: pfg
Date: Tue Apr 12 17:23:03 2016
New Revision: 297862
URL: https://svnweb.freebsd.org/changeset/base/297862

Log:
  Replace 0 with NULL for pointers in misc. device drivers.
  
  Found with devel/coccinelle.

Modified:
  head/sys/dev/mn/if_mn.c
  head/sys/dev/mpt/mpt_raid.c
  head/sys/dev/mrsas/mrsas_ioctl.c
  head/sys/dev/mvs/mvs_pci.c
  head/sys/dev/mvs/mvs_soc.c
  head/sys/dev/nxge/xgehal/xgehal-device.c
  head/sys/dev/sound/isa/ad1816.c
  head/sys/dev/sound/isa/ess.c
  head/sys/dev/sound/isa/mss.c
  head/sys/dev/sound/isa/sb16.c
  head/sys/dev/sound/isa/sb8.c
  head/sys/dev/sound/midi/midi.c
  head/sys/dev/sound/pci/als4000.c
  head/sys/dev/sound/pci/aureal.c
  head/sys/dev/sound/pci/cmi.c
  head/sys/dev/sound/pci/emu10k1.c
  head/sys/dev/sound/pci/emu10kx.c
  head/sys/dev/sound/pci/fm801.c
  head/sys/dev/sound/pci/neomagic.c
  head/sys/dev/sound/pci/solo.c
  head/sys/dev/sound/pci/t4dwave.c
  head/sys/dev/sound/pci/via8233.c
  head/sys/dev/sound/pci/via82c686.c
  head/sys/dev/vxge/vxgehal/vxgehal-fifo.c
  head/sys/dev/vxge/vxgehal/vxgehal-mrpcim.c

Modified: head/sys/dev/mn/if_mn.c
==============================================================================
--- head/sys/dev/mn/if_mn.c     Tue Apr 12 17:00:13 2016        (r297861)
+++ head/sys/dev/mn/if_mn.c     Tue Apr 12 17:23:03 2016        (r297862)
@@ -617,7 +617,7 @@ ngmn_rcvdata(hook_p hook, item_p item)
                                mn_free_desc(dp);
                                dp = dp2;
                        }
-                       sc->ch[chan]->xl->vnext = 0;
+                       sc->ch[chan]->xl->vnext = NULL;
                        break;
                }
                dp->data = vtophys(m2->m_data);
@@ -625,7 +625,7 @@ ngmn_rcvdata(hook_p hook, item_p item)
                dp->flags += 1;
                len -= m2->m_len;
                dp->next = vtophys(dp);
-               dp->vnext = 0;
+               dp->vnext = NULL;
                sc->ch[chan]->xl->next = vtophys(dp);
                sc->ch[chan]->xl->vnext = dp;
                sc->ch[chan]->xl = dp;
@@ -634,7 +634,7 @@ ngmn_rcvdata(hook_p hook, item_p item)
                        dp->flags |= 0xc0000000;
                        dp2->flags &= ~0x40000000;
                } else {
-                       dp->m = 0;
+                       dp->m = NULL;
                        m2 = m2->m_next;
                }
        } 
@@ -698,7 +698,7 @@ ngmn_connect(hook_p hook)
        dp->m = m;
        dp->flags = 0xc0000000 + (1 << 16);
        dp->next = vtophys(dp);
-       dp->vnext = 0;
+       dp->vnext = NULL;
        dp->data = vtophys(sc->name);
        sc->m32_mem.cs[chan].tdesc = vtophys(dp);
        sc->ch[chan]->x1 = dp;
@@ -715,7 +715,7 @@ ngmn_connect(hook_p hook)
        dp->flags = 0x40000000;
        dp->flags += 1600 << 16;
        dp->next = vtophys(dp);
-       dp->vnext = 0;
+       dp->vnext = NULL;
        sc->ch[chan]->rl = dp;
 
        for (i = 0; i < (nts + 10); i++) {
@@ -1127,7 +1127,7 @@ mn_rx_intr(struct mn_softc *sc, u_int32_
                if (vtophys(dp) == sc->m32_mem.crxd[chan]) 
                        return;
                m = dp->m;
-               dp->m = 0;
+               dp->m = NULL;
                m->m_pkthdr.len = m->m_len = (dp->status >> 16) & 0x1fff;
                err = (dp->status >> 8) & 0xff;
                if (!err) {
@@ -1176,7 +1176,7 @@ mn_rx_intr(struct mn_softc *sc, u_int32_
                dp->flags = 0x40000000;
                dp->flags += 1600 << 16;
                dp->next = vtophys(dp);
-               dp->vnext = 0;
+               dp->vnext = NULL;
                sc->ch[chan]->rl->next = vtophys(dp);
                sc->ch[chan]->rl->vnext = dp;
                sc->ch[chan]->rl->flags &= ~0x40000000;

Modified: head/sys/dev/mpt/mpt_raid.c
==============================================================================
--- head/sys/dev/mpt/mpt_raid.c Tue Apr 12 17:00:13 2016        (r297861)
+++ head/sys/dev/mpt/mpt_raid.c Tue Apr 12 17:23:03 2016        (r297862)
@@ -595,7 +595,7 @@ mpt_issue_raid_req(struct mpt_softc *mpt
        rap->Function = MPI_FUNCTION_RAID_ACTION;
        rap->VolumeID = vol->config_page->VolumeID;
        rap->VolumeBus = vol->config_page->VolumeBus;
-       if (disk != 0)
+       if (disk != NULL)
                rap->PhysDiskNum = disk->config_page.PhysDiskNum;
        else
                rap->PhysDiskNum = 0xFF;

Modified: head/sys/dev/mrsas/mrsas_ioctl.c
==============================================================================
--- head/sys/dev/mrsas/mrsas_ioctl.c    Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/mrsas/mrsas_ioctl.c    Tue Apr 12 17:23:03 2016        
(r297862)
@@ -86,7 +86,7 @@ mrsas_passthru(struct mrsas_softc *sc, v
        bus_addr_t ioctl_data_phys_addr[MAX_IOCTL_SGE];
        bus_dma_tag_t ioctl_sense_tag = 0;
        bus_dmamap_t ioctl_sense_dmamap = 0;
-       void *ioctl_sense_mem = 0;
+       void *ioctl_sense_mem = NULL;
        bus_addr_t ioctl_sense_phys_addr = 0;
        int i, ioctl_data_size = 0, ioctl_sense_size, ret = 0;
        struct mrsas_sge32 *kern_sge32;

Modified: head/sys/dev/mvs/mvs_pci.c
==============================================================================
--- head/sys/dev/mvs/mvs_pci.c  Tue Apr 12 17:00:13 2016        (r297861)
+++ head/sys/dev/mvs/mvs_pci.c  Tue Apr 12 17:23:03 2016        (r297862)
@@ -316,7 +316,7 @@ mvs_setup_interrupt(device_t dev)
                device_printf(dev, "unable to setup interrupt\n");
                bus_release_resource(dev, SYS_RES_IRQ,
                    ctlr->irq.r_irq_rid, ctlr->irq.r_irq);
-               ctlr->irq.r_irq = 0;
+               ctlr->irq.r_irq = NULL;
                return (ENXIO);
        }
        return (0);

Modified: head/sys/dev/mvs/mvs_soc.c
==============================================================================
--- head/sys/dev/mvs/mvs_soc.c  Tue Apr 12 17:00:13 2016        (r297861)
+++ head/sys/dev/mvs/mvs_soc.c  Tue Apr 12 17:23:03 2016        (r297862)
@@ -287,7 +287,7 @@ mvs_setup_interrupt(device_t dev)
                device_printf(dev, "unable to setup interrupt\n");
                bus_release_resource(dev, SYS_RES_IRQ,
                    ctlr->irq.r_irq_rid, ctlr->irq.r_irq);
-               ctlr->irq.r_irq = 0;
+               ctlr->irq.r_irq = NULL;
                return (ENXIO);
        }
        return (0);

Modified: head/sys/dev/nxge/xgehal/xgehal-device.c
==============================================================================
--- head/sys/dev/nxge/xgehal/xgehal-device.c    Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/nxge/xgehal/xgehal-device.c    Tue Apr 12 17:23:03 2016        
(r297862)
@@ -5571,7 +5571,7 @@ __hal_device_get_vpd_data(xge_hal_device
        xge_os_strcpy((char *) hldev->vpd_data.serial_num, "not available");
 
        vpd_data = ( u8*) xge_os_malloc(hldev->pdev, XGE_HAL_VPD_BUFFER_SIZE + 
16);
-       if ( vpd_data == 0 )
+       if ( vpd_data == NULL )
            return;
 
        for (index = 0; index < XGE_HAL_VPD_BUFFER_SIZE; index +=4 ) {

Modified: head/sys/dev/sound/isa/ad1816.c
==============================================================================
--- head/sys/dev/sound/isa/ad1816.c     Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/isa/ad1816.c     Tue Apr 12 17:23:03 2016        
(r297862)
@@ -490,21 +490,21 @@ ad1816_release_resources(struct ad1816_i
                if (ad1816->ih)
                        bus_teardown_intr(dev, ad1816->irq, ad1816->ih);
                bus_release_resource(dev, SYS_RES_IRQ, ad1816->irq_rid, 
ad1816->irq);
-               ad1816->irq = 0;
+               ad1816->irq = NULL;
        }
        if (ad1816->drq1) {
                isa_dma_release(rman_get_start(ad1816->drq1));
                bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq1_rid, 
ad1816->drq1);
-               ad1816->drq1 = 0;
+               ad1816->drq1 = NULL;
        }
        if (ad1816->drq2) {
                isa_dma_release(rman_get_start(ad1816->drq2));
                bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq2_rid, 
ad1816->drq2);
-               ad1816->drq2 = 0;
+               ad1816->drq2 = NULL;
        }
        if (ad1816->io_base) {
                bus_release_resource(dev, SYS_RES_IOPORT, ad1816->io_rid, 
ad1816->io_base);
-               ad1816->io_base = 0;
+               ad1816->io_base = NULL;
        }
        if (ad1816->parent_dmat) {
                bus_dma_tag_destroy(ad1816->parent_dmat);

Modified: head/sys/dev/sound/isa/ess.c
==============================================================================
--- head/sys/dev/sound/isa/ess.c        Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/isa/ess.c        Tue Apr 12 17:23:03 2016        
(r297862)
@@ -291,21 +291,21 @@ ess_release_resources(struct ess_info *s
                if (sc->ih)
                        bus_teardown_intr(dev, sc->irq, sc->ih);
                bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
-               sc->irq = 0;
+               sc->irq = NULL;
        }
        if (sc->drq1) {
                isa_dma_release(rman_get_start(sc->drq1));
                bus_release_resource(dev, SYS_RES_DRQ, 0, sc->drq1);
-               sc->drq1 = 0;
+               sc->drq1 = NULL;
        }
        if (sc->drq2) {
                isa_dma_release(rman_get_start(sc->drq2));
                bus_release_resource(dev, SYS_RES_DRQ, 1, sc->drq2);
-               sc->drq2 = 0;
+               sc->drq2 = NULL;
        }
        if (sc->io_base) {
                bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->io_base);
-               sc->io_base = 0;
+               sc->io_base = NULL;
        }
        if (sc->parent_dmat) {
                bus_dma_tag_destroy(sc->parent_dmat);

Modified: head/sys/dev/sound/isa/mss.c
==============================================================================
--- head/sys/dev/sound/isa/mss.c        Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/isa/mss.c        Tue Apr 12 17:23:03 2016        
(r297862)
@@ -277,7 +277,7 @@ mss_release_resources(struct mss_info *m
                        bus_teardown_intr(dev, mss->irq, mss->ih);
                bus_release_resource(dev, SYS_RES_IRQ, mss->irq_rid,
                                     mss->irq);
-               mss->irq = 0;
+               mss->irq = NULL;
        }
        if (mss->drq2) {
                if (mss->drq2 != mss->drq1) {
@@ -285,28 +285,28 @@ mss_release_resources(struct mss_info *m
                        bus_release_resource(dev, SYS_RES_DRQ, mss->drq2_rid,
                                        mss->drq2);
                }
-               mss->drq2 = 0;
+               mss->drq2 = NULL;
        }
        if (mss->drq1) {
                isa_dma_release(rman_get_start(mss->drq1));
                bus_release_resource(dev, SYS_RES_DRQ, mss->drq1_rid,
                                     mss->drq1);
-               mss->drq1 = 0;
+               mss->drq1 = NULL;
        }
        if (mss->io_base) {
                bus_release_resource(dev, SYS_RES_IOPORT, mss->io_rid,
                                     mss->io_base);
-               mss->io_base = 0;
+               mss->io_base = NULL;
        }
        if (mss->conf_base) {
                bus_release_resource(dev, SYS_RES_IOPORT, mss->conf_rid,
                                     mss->conf_base);
-               mss->conf_base = 0;
+               mss->conf_base = NULL;
        }
        if (mss->indir) {
                bus_release_resource(dev, SYS_RES_IOPORT, mss->indir_rid,
                                     mss->indir);
-               mss->indir = 0;
+               mss->indir = NULL;
        }
        if (mss->parent_dmat) {
                bus_dma_tag_destroy(mss->parent_dmat);
@@ -1686,7 +1686,7 @@ ymf_test(device_t dev, struct mss_info *
                        /* PC98 need this. I don't know reason why. */
                        bus_delete_resource(dev, SYS_RES_IOPORT, mss->conf_rid);
 #endif
-                       mss->conf_base = 0;
+                       mss->conf_base = NULL;
                        continue;
                }
                version = conf_rd(mss, OPL3SAx_MISC) & 0x07;

Modified: head/sys/dev/sound/isa/sb16.c
==============================================================================
--- head/sys/dev/sound/isa/sb16.c       Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/isa/sb16.c       Tue Apr 12 17:23:03 2016        
(r297862)
@@ -435,23 +435,23 @@ sb16_release_resources(struct sb_info *s
                if (sb->ih)
                        bus_teardown_intr(dev, sb->irq, sb->ih);
                bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
-               sb->irq = 0;
+               sb->irq = NULL;
        }
        if (sb->drq2) {
                if (sb->drq2 != sb->drq1) {
                        isa_dma_release(rman_get_start(sb->drq2));
                        bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2);
                }
-               sb->drq2 = 0;
+               sb->drq2 = NULL;
        }
        if (sb->drq1) {
                isa_dma_release(rman_get_start(sb->drq1));
                bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1);
-               sb->drq1 = 0;
+               sb->drq1 = NULL;
        }
        if (sb->io_base) {
                bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
-               sb->io_base = 0;
+               sb->io_base = NULL;
        }
        if (sb->parent_dmat) {
                bus_dma_tag_destroy(sb->parent_dmat);

Modified: head/sys/dev/sound/isa/sb8.c
==============================================================================
--- head/sys/dev/sound/isa/sb8.c        Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/isa/sb8.c        Tue Apr 12 17:23:03 2016        
(r297862)
@@ -265,16 +265,16 @@ sb_release_resources(struct sb_info *sb,
                if (sb->ih)
                        bus_teardown_intr(dev, sb->irq, sb->ih);
                bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
-               sb->irq = 0;
+               sb->irq = NULL;
        }
        if (sb->drq) {
                isa_dma_release(rman_get_start(sb->drq));
                bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq);
-               sb->drq = 0;
+               sb->drq = NULL;
        }
        if (sb->io_base) {
                bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
-               sb->io_base = 0;
+               sb->io_base = NULL;
        }
        if (sb->parent_dmat) {
                bus_dma_tag_destroy(sb->parent_dmat);

Modified: head/sys/dev/sound/midi/midi.c
==============================================================================
--- head/sys/dev/sound/midi/midi.c      Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/midi/midi.c      Tue Apr 12 17:23:03 2016        
(r297862)
@@ -1489,7 +1489,7 @@ midi_modevent(module_t mod, int type, vo
 kobj_t
 midimapper_addseq(void *arg1, int *unit, void **cookie)
 {
-       unit = 0;
+       unit = NULL;
 
        return (kobj_t)arg1;
 }

Modified: head/sys/dev/sound/pci/als4000.c
==============================================================================
--- head/sys/dev/sound/pci/als4000.c    Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/als4000.c    Tue Apr 12 17:23:03 2016        
(r297862)
@@ -736,15 +736,15 @@ als_resource_free(device_t dev, struct s
 {
        if (sc->reg) {
                bus_release_resource(dev, SYS_RES_IOPORT, sc->regid, sc->reg);
-               sc->reg = 0;
+               sc->reg = NULL;
        }
        if (sc->ih) {
                bus_teardown_intr(dev, sc->irq, sc->ih);
-               sc->ih = 0;
+               sc->ih = NULL;
        }
        if (sc->irq) {
                bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
-               sc->irq = 0;
+               sc->irq = NULL;
        }
        if (sc->parent_dmat) {
                bus_dma_tag_destroy(sc->parent_dmat);
@@ -762,7 +762,7 @@ als_resource_grab(device_t dev, struct s
        sc->regid = PCIR_BAR(0);
        sc->reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->regid,
                                         RF_ACTIVE);
-       if (sc->reg == 0) {
+       if (sc->reg == NULL) {
                device_printf(dev, "unable to allocate register space\n");
                goto bad;
        }
@@ -771,7 +771,7 @@ als_resource_grab(device_t dev, struct s
 
        sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid,
                                         RF_ACTIVE | RF_SHAREABLE);
-       if (sc->irq == 0) {
+       if (sc->irq == NULL) {
                device_printf(dev, "unable to allocate interrupt\n");
                goto bad;
        }

Modified: head/sys/dev/sound/pci/aureal.c
==============================================================================
--- head/sys/dev/sound/pci/aureal.c     Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/aureal.c     Tue Apr 12 17:23:03 2016        
(r297862)
@@ -556,8 +556,8 @@ au_pci_attach(device_t dev)
        struct resource *reg[10];
        int             i, j, mapped = 0;
        int             irqid;
-       struct resource *irq = 0;
-       void            *ih = 0;
+       struct resource *irq;
+       void            *ih;
        struct ac97_info *codec;
        char            status[SND_STATUSLEN];
 
@@ -566,6 +566,8 @@ au_pci_attach(device_t dev)
 
        pci_enable_busmaster(dev);
 
+       irq = NULL;
+       ih = NULL;
        j=0;
        /* XXX dfr: is this strictly necessary? */
        for (i=0; i<PCI_MAXMAPS_0; i++) {

Modified: head/sys/dev/sound/pci/cmi.c
==============================================================================
--- head/sys/dev/sound/pci/cmi.c        Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/cmi.c        Tue Apr 12 17:23:03 2016        
(r297862)
@@ -803,8 +803,8 @@ cmi_muninit(struct mpu401 *arg, void *co
        struct sc_info *sc = cookie;
 
        snd_mtxlock(sc->lock);
-       sc->mpu_intr = 0;
-       sc->mpu = 0;
+       sc->mpu_intr = NULL;
+       sc->mpu = NULL;
        snd_mtxunlock(sc->lock);
 
        return 0;
@@ -902,7 +902,7 @@ cmi_uninit(struct sc_info *sc)
        cmi_clr4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_UART_ENABLE);
 
        if( sc->mpu )
-               sc->mpu_intr = 0;
+               sc->mpu_intr = NULL;
 }
 
 /* ------------------------------------------------------------------------- */

Modified: head/sys/dev/sound/pci/emu10k1.c
==============================================================================
--- head/sys/dev/sound/pci/emu10k1.c    Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/emu10k1.c    Tue Apr 12 17:23:03 2016        
(r297862)
@@ -1178,7 +1178,7 @@ emu_muninit(struct mpu401 *arg, void *co
        struct sc_info *sc = cookie;
 
        snd_mtxlock(sc->lock);
-       sc->mpu_intr = 0;
+       sc->mpu_intr = NULL;
        snd_mtxunlock(sc->lock);
 
        return 0;

Modified: head/sys/dev/sound/pci/emu10kx.c
==============================================================================
--- head/sys/dev/sound/pci/emu10kx.c    Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/emu10kx.c    Tue Apr 12 17:23:03 2016        
(r297862)
@@ -2351,7 +2351,7 @@ emu10kx_dev_uninit(struct emu_sc_info *s
        }
        if (sc->cdev)
                destroy_dev(sc->cdev);
-       sc->cdev = 0;
+       sc->cdev = NULL;
 
        mtx_destroy(&sc->emu10kx_lock);
        return (0);

Modified: head/sys/dev/sound/pci/fm801.c
==============================================================================
--- head/sys/dev/sound/pci/fm801.c      Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/fm801.c      Tue Apr 12 17:23:03 2016        
(r297862)
@@ -573,7 +573,7 @@ fm801_init(struct fm801_info *fm801)
 static int
 fm801_pci_attach(device_t dev)
 {
-       struct ac97_info        *codec = 0;
+       struct ac97_info        *codec = NULL;
        struct fm801_info       *fm801;
        int                     i;
        int                     mapped = 0;
@@ -622,7 +622,8 @@ fm801_pci_attach(device_t dev)
        fm801->irqid = 0;
        fm801->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fm801->irqid,
                                            RF_ACTIVE | RF_SHAREABLE);
-       if (!fm801->irq || snd_setup_intr(dev, fm801->irq, 0, fm801_intr, 
fm801, &fm801->ih)) {
+       if (!fm801->irq ||
+           snd_setup_intr(dev, fm801->irq, 0, fm801_intr, fm801, &fm801->ih)) {
                device_printf(dev, "unable to map interrupt\n");
                goto oops;
        }

Modified: head/sys/dev/sound/pci/neomagic.c
==============================================================================
--- head/sys/dev/sound/pci/neomagic.c   Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/neomagic.c   Tue Apr 12 17:23:03 2016        
(r297862)
@@ -664,7 +664,7 @@ static int
 nm_pci_attach(device_t dev)
 {
        struct sc_info *sc;
-       struct ac97_info *codec = 0;
+       struct ac97_info *codec = NULL;
        char            status[SND_STATUSLEN];
 
        sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);

Modified: head/sys/dev/sound/pci/solo.c
==============================================================================
--- head/sys/dev/sound/pci/solo.c       Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/solo.c       Tue Apr 12 17:23:03 2016        
(r297862)
@@ -836,31 +836,31 @@ ess_release_resources(struct ess_info *s
                if (sc->ih)
                        bus_teardown_intr(dev, sc->irq, sc->ih);
                bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
-               sc->irq = 0;
+               sc->irq = NULL;
        }
        if (sc->io) {
                bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->io);
-               sc->io = 0;
+               sc->io = NULL;
        }
 
        if (sc->sb) {
                bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(1), sc->sb);
-               sc->sb = 0;
+               sc->sb = NULL;
        }
 
        if (sc->vc) {
                bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(2), sc->vc);
-               sc->vc = 0;
+               sc->vc = NULL;
        }
 
        if (sc->mpu) {
                bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(3), sc->mpu);
-               sc->mpu = 0;
+               sc->mpu = NULL;
        }
 
        if (sc->gp) {
                bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(4), sc->gp);
-               sc->gp = 0;
+               sc->gp = NULL;
        }
 
        if (sc->parent_dmat) {

Modified: head/sys/dev/sound/pci/t4dwave.c
==============================================================================
--- head/sys/dev/sound/pci/t4dwave.c    Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/t4dwave.c    Tue Apr 12 17:23:03 2016        
(r297862)
@@ -823,7 +823,7 @@ static int
 tr_pci_attach(device_t dev)
 {
        struct tr_info *tr;
-       struct ac97_info *codec = 0;
+       struct ac97_info *codec = NULL;
        bus_addr_t      lowaddr;
        int             i, dacn;
        char            status[SND_STATUSLEN];

Modified: head/sys/dev/sound/pci/via8233.c
==============================================================================
--- head/sys/dev/sound/pci/via8233.c    Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/via8233.c    Tue Apr 12 17:23:03 2016        
(r297862)
@@ -1164,7 +1164,7 @@ via_chip_init(device_t dev)
 static int
 via_attach(device_t dev)
 {
-       struct via_info *via = 0;
+       struct via_info *via = NULL;
        char status[SND_STATUSLEN];
        int i, via_dxs_disabled, via_dxs_src, via_dxs_chnum, via_sgd_chnum;
        int nsegs;

Modified: head/sys/dev/sound/pci/via82c686.c
==============================================================================
--- head/sys/dev/sound/pci/via82c686.c  Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/sound/pci/via82c686.c  Tue Apr 12 17:23:03 2016        
(r297862)
@@ -477,7 +477,7 @@ dma_cb(void *p, bus_dma_segment_t *bds, 
 static int
 via_attach(device_t dev)
 {
-       struct via_info *via = 0;
+       struct via_info *via = NULL;
        char status[SND_STATUSLEN];
        u_int32_t data, cnt;
 
@@ -618,7 +618,7 @@ static int
 via_detach(device_t dev)
 {
        int r;
-       struct via_info *via = 0;
+       struct via_info *via = NULL;
 
        r = pcm_unregister(dev);
        if (r)

Modified: head/sys/dev/vxge/vxgehal/vxgehal-fifo.c
==============================================================================
--- head/sys/dev/vxge/vxgehal/vxgehal-fifo.c    Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/vxge/vxgehal/vxgehal-fifo.c    Tue Apr 12 17:23:03 2016        
(r297862)
@@ -1030,7 +1030,7 @@ vxge_hal_fifo_txdl_buffer_set_aligned(
        ptrdiff_t prev_boff;
 
        vxge_assert((vpath_handle != NULL) && (txdlh != NULL) &&
-           (vaddr != 0) && (dma_pointer != 0) &&
+           (vaddr != NULL) && (dma_pointer != 0) &&
            (size != 0) && (misaligned_size != 0));
 
        hldev = vp->vpath->hldev;
@@ -1145,8 +1145,8 @@ vxge_hal_fifo_txdl_buffer_append(
        __hal_fifo_txdl_priv_t *txdl_priv;
        ptrdiff_t used;
 
-       vxge_assert((vpath_handle != NULL) && (txdlh != NULL) && (vaddr != 0) &&
-           (size == 0));
+       vxge_assert((vpath_handle != NULL) && (txdlh != NULL) &&
+           (vaddr != NULL) && (size == 0));
 
        hldev = vp->vpath->hldev;
 

Modified: head/sys/dev/vxge/vxgehal/vxgehal-mrpcim.c
==============================================================================
--- head/sys/dev/vxge/vxgehal/vxgehal-mrpcim.c  Tue Apr 12 17:00:13 2016        
(r297861)
+++ head/sys/dev/vxge/vxgehal/vxgehal-mrpcim.c  Tue Apr 12 17:23:03 2016        
(r297862)
@@ -5613,7 +5613,7 @@ __hal_mrpcim_get_vpd_data(__hal_device_t
        }
        vpd_data = (u8 *) vxge_os_malloc(hldev->header.pdev,
            VXGE_HAL_VPD_BUFFER_SIZE + 16);
-       if (vpd_data == 0)
+       if (vpd_data == NULL)
                return;
 
        for (i = 0; i < VXGE_HAL_VPD_BUFFER_SIZE; i += 4) {
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