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Don't use "NULL" when "0" is really meant.

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This commit is contained in:
Archie Cobbs 2002-08-21 23:39:52 +00:00
parent f763d3ef0a
commit 55f7c614fd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=102241
13 changed files with 24 additions and 24 deletions
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2
sys/amd64/amd64/busdma_machdep.c
View file

@ -571,7 +571,7 @@ alloc_bounce_pages(bus_dma_tag_t dmat, u_int numpages)
dmat->lowaddr,
PAGE_SIZE,
0);
if (bpage->vaddr == NULL) {
if (bpage->vaddr == 0) {
free(bpage, M_DEVBUF);
break;
}

8
sys/amd64/amd64/dump_machdep.c
View file

@ -77,7 +77,7 @@ dumpsys(struct dumperinfo *di)
dumplo = di->mediaoffset + di->mediasize - Maxmem * (off_t)PAGE_SIZE;
dumplo -= sizeof kdh * 2;
i = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof kdh);
i = di->dumper(di->priv, &kdh, 0, dumplo, sizeof kdh);
if (i)
printf("\nDump failed writing header (%d)\n", i);
dumplo += sizeof kdh;
@ -100,7 +100,7 @@ dumpsys(struct dumperinfo *di)
printf(" %d", count / (1024 * 1024 / PAGE_SIZE));
mb = i;
}
i = di->dumper(di->priv, va, NULL, dumplo, left * PAGE_SIZE);
i = di->dumper(di->priv, va, 0, dumplo, left * PAGE_SIZE);
if (i)
break;
count += left;
@ -114,10 +114,10 @@ dumpsys(struct dumperinfo *di)
}
if (i)
printf("\nDump failed writing data (%d)\n", i);
i = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof kdh);
i = di->dumper(di->priv, &kdh, 0, dumplo, sizeof kdh);
if (i)
printf("\nDump failed writing trailer (%d)\n", i);
di->dumper(di->priv, NULL, NULL, 0, 0); /* tell them we are done */
di->dumper(di->priv, NULL, 0, 0, 0); /* tell them we are done */
printf("\nDump complete\n");
return;
}

2
sys/amd64/amd64/pmap.c
View file

@ -2508,7 +2508,7 @@ pmap_prefault(pmap, addra, entry)
if (addr < starta || addr >= entry->end)
continue;
if ((*pmap_pde(pmap, addr)) == NULL)
if ((*pmap_pde(pmap, addr)) == 0)
continue;
pte = vtopte(addr);

8
sys/dev/syscons/scvtb.c
View file

@ -51,7 +51,7 @@ sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, void *buf, int wait)
vtb->vtb_cols = cols;
vtb->vtb_rows = rows;
vtb->vtb_size = cols*rows;
vtb->vtb_buffer = NULL;
vtb->vtb_buffer = 0;
vtb->vtb_tail = 0;
switch (type) {
@ -62,7 +62,7 @@ sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, void *buf, int wait)
(vm_offset_t)malloc(cols*rows*sizeof(u_int16_t),
M_DEVBUF,
(wait) ? M_WAITOK : M_NOWAIT);
if (vtb->vtb_buffer != NULL) {
if (vtb->vtb_buffer != 0) {
bzero((void *)sc_vtb_pointer(vtb, 0),
cols*rows*sizeof(u_int16_t));
vtb->vtb_flags |= VTB_ALLOCED;
@ -92,11 +92,11 @@ sc_vtb_destroy(sc_vtb_t *vtb)
vtb->vtb_tail = 0;
p = vtb->vtb_buffer;
vtb->vtb_buffer = NULL;
vtb->vtb_buffer = 0;
switch (vtb->vtb_type) {
case VTB_MEMORY:
case VTB_RINGBUFFER:
if ((vtb->vtb_flags & VTB_ALLOCED) && (p != NULL))
if ((vtb->vtb_flags & VTB_ALLOCED) && (p != 0))
free((void *)p, M_DEVBUF);
break;
default:

2
sys/dev/syscons/syscons.c
View file

@ -867,7 +867,7 @@ scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
hstp = scp->history->vtb_buffer + sc_vtb_tail(scp->history) *
sizeof(u_int16_t) + ptr->x * sizeof(u_int16_t);
else
hstp = NULL;
hstp = 0;
retval = 0;
for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) {

2
sys/dev/vinum/vinumdaemon.c
View file

@ -263,7 +263,7 @@ vinum_finddaemon()
int result;
if (daemonpid != 0) { /* we think we have a daemon, */
queue_daemon_request(daemonrq_ping, (union daemoninfo) NULL); /* queue a ping */
queue_daemon_request(daemonrq_ping, (union daemoninfo) 0); /* queue a ping */
result = tsleep(&vinum_finddaemon, PUSER, "reap", 2 * hz);
if (result == 0) /* yup, the daemon's up and running */
return 0;

2
sys/dev/vinum/vinumio.c
View file

@ -611,7 +611,7 @@ format_config(char *config, int len)
void
save_config(void)
{
queue_daemon_request(daemonrq_saveconfig, (union daemoninfo) NULL);
queue_daemon_request(daemonrq_saveconfig, (union daemoninfo) 0);
}
/*

2
sys/i386/i386/busdma_machdep.c
View file

@ -571,7 +571,7 @@ alloc_bounce_pages(bus_dma_tag_t dmat, u_int numpages)
dmat->lowaddr,
PAGE_SIZE,
0);
if (bpage->vaddr == NULL) {
if (bpage->vaddr == 0) {
free(bpage, M_DEVBUF);
break;
}

8
sys/i386/i386/dump_machdep.c
View file

@ -77,7 +77,7 @@ dumpsys(struct dumperinfo *di)
dumplo = di->mediaoffset + di->mediasize - Maxmem * (off_t)PAGE_SIZE;
dumplo -= sizeof kdh * 2;
i = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof kdh);
i = di->dumper(di->priv, &kdh, 0, dumplo, sizeof kdh);
if (i)
printf("\nDump failed writing header (%d)\n", i);
dumplo += sizeof kdh;
@ -100,7 +100,7 @@ dumpsys(struct dumperinfo *di)
printf(" %d", count / (1024 * 1024 / PAGE_SIZE));
mb = i;
}
i = di->dumper(di->priv, va, NULL, dumplo, left * PAGE_SIZE);
i = di->dumper(di->priv, va, 0, dumplo, left * PAGE_SIZE);
if (i)
break;
count += left;
@ -114,10 +114,10 @@ dumpsys(struct dumperinfo *di)
}
if (i)
printf("\nDump failed writing data (%d)\n", i);
i = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof kdh);
i = di->dumper(di->priv, &kdh, 0, dumplo, sizeof kdh);
if (i)
printf("\nDump failed writing trailer (%d)\n", i);
di->dumper(di->priv, NULL, NULL, 0, 0); /* tell them we are done */
di->dumper(di->priv, NULL, 0, 0, 0); /* tell them we are done */
printf("\nDump complete\n");
return;
}

2
sys/i386/i386/pmap.c
View file

@ -2508,7 +2508,7 @@ pmap_prefault(pmap, addra, entry)
if (addr < starta || addr >= entry->end)
continue;
if ((*pmap_pde(pmap, addr)) == NULL)
if ((*pmap_pde(pmap, addr)) == 0)
continue;
pte = vtopte(addr);

2
sys/kern/subr_disk.c
View file

@ -271,7 +271,7 @@ sysctl_disks(SYSCTL_HANDLER_ARGS)
return error;
}
SYSCTL_PROC(_kern, OID_AUTO, disks, CTLTYPE_STRING | CTLFLAG_RD, 0, NULL,
SYSCTL_PROC(_kern, OID_AUTO, disks, CTLTYPE_STRING | CTLFLAG_RD, 0, 0,
sysctl_disks, "A", "names of available disks");
/*

4
sys/kern/sys_pipe.c
View file

@ -360,7 +360,7 @@ pipe_create(cpipep)
/* so pipespace()->pipe_free_kmem() doesn't follow junk pointer */
cpipe->pipe_buffer.object = NULL;
#ifndef PIPE_NODIRECT
cpipe->pipe_map.kva = NULL;
cpipe->pipe_map.kva = 0;
#endif
/*
* protect so pipeclose() doesn't follow a junk pointer
@ -1344,7 +1344,7 @@ pipe_free_kmem(cpipe)
cpipe->pipe_buffer.buffer = NULL;
}
#ifndef PIPE_NODIRECT
if (cpipe->pipe_map.kva != NULL) {
if (cpipe->pipe_map.kva != 0) {
amountpipekva -= cpipe->pipe_buffer.size + PAGE_SIZE;
kmem_free(kernel_map,
cpipe->pipe_map.kva,

4
sys/vm/uma_core.c
View file

@ -835,7 +835,7 @@ obj_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait)
vm_page_t p;
int pages;
retkva = NULL;
retkva = 0;
pages = zone->uz_pages;
/*
@ -848,7 +848,7 @@ obj_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait)
return (NULL);
zkva = zone->uz_kva + pages * PAGE_SIZE;
if (retkva == NULL)
if (retkva == 0)
retkva = zkva;
pmap_qenter(zkva, &p, 1);
bytes -= PAGE_SIZE;