Don't use NULL in non-pointer contexts.
This commit is contained in:
parent
746a432165
commit
6ab46d52a5
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=17108
@ -38,7 +38,7 @@
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*
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* from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91
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* Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$
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* $Id: vm_machdep.c,v 1.65 1996/06/20 01:47:21 davidg Exp $
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* $Id: vm_machdep.c,v 1.66 1996/06/20 08:07:30 davidg Exp $
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*/
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#include "npx.h"
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@ -226,13 +226,13 @@ vm_bounce_kva(size, waitok)
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if( size == 0) {
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splx(s);
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return NULL;
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return 0;
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}
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if ((kva = kmem_alloc_pageable(io_map, size)) == 0) {
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if( !waitok) {
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splx(s);
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return NULL;
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return 0;
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}
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bmwait = 1;
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tsleep((caddr_t) io_map, PRIBIO, "bmwait", 0);
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@ -41,7 +41,7 @@
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*/
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/* $Id: scd.c,v 1.21 1996/06/08 09:18:23 bde Exp $ */
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/* $Id: scd.c,v 1.22 1996/06/18 01:22:30 bde Exp $ */
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/* Please send any comments to micke@dynas.se */
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@ -1159,7 +1159,7 @@ spin_up(unsigned unit)
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int loop_count = 0;
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again:
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rc = send_cmd(unit, CMD_SPIN_UP, NULL, 0, res_reg, &res_size);
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rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size);
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if (rc != 0) {
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XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc));
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return rc;
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@ -38,7 +38,7 @@
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*
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* from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91
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* Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$
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* $Id: vm_machdep.c,v 1.65 1996/06/20 01:47:21 davidg Exp $
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* $Id: vm_machdep.c,v 1.66 1996/06/20 08:07:30 davidg Exp $
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*/
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#include "npx.h"
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@ -226,13 +226,13 @@ vm_bounce_kva(size, waitok)
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if( size == 0) {
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splx(s);
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return NULL;
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return 0;
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}
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if ((kva = kmem_alloc_pageable(io_map, size)) == 0) {
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if( !waitok) {
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splx(s);
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return NULL;
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return 0;
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}
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bmwait = 1;
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tsleep((caddr_t) io_map, PRIBIO, "bmwait", 0);
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@ -47,7 +47,7 @@
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*/
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/*
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* $Id: if_ze.c,v 1.30 1996/06/12 05:03:45 gpalmer Exp $
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* $Id: if_ze.c,v 1.31 1996/06/25 20:30:30 bde Exp $
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*/
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#include "ze.h"
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@ -355,7 +355,7 @@ ze_probe(isa_dev)
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int slot;
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if ((slot = ze_find_adapter (isa_dev->id_maddr, isa_dev->id_reconfig)) < 0)
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return NULL;
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return 0;
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/*
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* okay, we found a card, so set it up
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@ -34,7 +34,7 @@
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* From: if_ep.c,v 1.9 1994/01/25 10:46:29 deraadt Exp $
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* $Id: if_zp.c,v 1.21 1996/06/18 01:22:24 bde Exp $
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* $Id: if_zp.c,v 1.22 1996/06/25 20:30:34 bde Exp $
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*/
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/*-
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* TODO:
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@ -339,7 +339,7 @@ zpprobe(struct isa_device * isa_dev)
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int re_init_flag;
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if ((slot = zp_find_adapter(isa_dev->id_maddr, isa_dev->id_reconfig)) < 0)
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return NULL;
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return 0;
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/* okay, we found a card, so set it up */
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/* Inhibit 16 bit memory delay. POINTETH.SYS apparently does this, for
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@ -41,7 +41,7 @@
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*/
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/* $Id: scd.c,v 1.21 1996/06/08 09:18:23 bde Exp $ */
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/* $Id: scd.c,v 1.22 1996/06/18 01:22:30 bde Exp $ */
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/* Please send any comments to micke@dynas.se */
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@ -1159,7 +1159,7 @@ spin_up(unsigned unit)
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int loop_count = 0;
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again:
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rc = send_cmd(unit, CMD_SPIN_UP, NULL, 0, res_reg, &res_size);
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rc = send_cmd(unit, CMD_SPIN_UP, 0, 0, res_reg, &res_size);
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if (rc != 0) {
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XDEBUG(2, ("scd%d: CMD_SPIN_UP error 0x%x\n", unit, rc));
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return rc;
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@ -23,7 +23,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: kern_exec.c,v 1.42 1996/06/03 04:07:35 davidg Exp $
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* $Id: kern_exec.c,v 1.43 1996/06/03 04:12:18 davidg Exp $
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*/
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#include <sys/param.h>
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@ -525,7 +525,7 @@ exec_copyout_strings(imgp)
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}
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/* a null vector table pointer seperates the argp's from the envp's */
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suword(vectp++, NULL);
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suword(vectp++, 0);
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suword(&arginfo->ps_envstr, (int)vectp);
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suword(&arginfo->ps_nenvstr, envc);
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@ -541,7 +541,7 @@ exec_copyout_strings(imgp)
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}
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/* end of vector table is a null pointer */
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suword(vectp, NULL);
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suword(vectp, 0);
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return (stack_base);
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}
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@ -9,7 +9,7 @@
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* Modified by Bill Fenner, PARC, April 1995
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*
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* MROUTING Revision: 3.5
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* $Id: ip_mroute.c,v 1.31 1996/03/26 19:16:44 fenner Exp $
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* $Id: ip_mroute.c,v 1.32 1996/04/18 15:41:11 wollman Exp $
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*/
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#include "opt_mrouting.h"
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@ -610,7 +610,7 @@ X_ip_mrouter_done()
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/*
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* Reset de-encapsulation cache
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*/
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last_encap_src = NULL;
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last_encap_src = 0;
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last_encap_vif = NULL;
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have_encap_tunnel = 0;
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@ -860,13 +860,13 @@ set_fps(meteor_reg_t *mtr, u_short fps)
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static vm_offset_t
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get_meteor_mem(int unit, unsigned size)
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{
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vm_offset_t addr = NULL;
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vm_offset_t addr = 0;
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addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24);
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if(addr == NULL)
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if(addr == 0)
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addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff,
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PAGE_SIZE);
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if(addr == NULL) {
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if(addr == 0) {
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printf("meteor%d: Unable to allocate %d bytes of memory.\n",
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unit, size);
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}
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@ -1056,7 +1056,7 @@ met_attach(pcici_t tag, int unit)
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if(METEOR_ALLOC)
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buf = get_meteor_mem(unit, METEOR_ALLOC);
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else
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buf = NULL;
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buf = 0;
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if(bootverbose) {
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printf("meteor%d: buffer size %d, addr 0x%x\n",
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unit, METEOR_ALLOC, vtophys(buf));
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@ -1064,7 +1064,7 @@ met_attach(pcici_t tag, int unit)
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mtr->bigbuf = buf;
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mtr->alloc_pages = METEOR_ALLOC_PAGES;
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if(buf != NULL) {
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if(buf != 0) {
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bzero((caddr_t) buf, METEOR_ALLOC);
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buf = vtophys(buf);
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/* 640x480 RGB 16 */
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@ -1259,7 +1259,7 @@ meteor_read(dev_t dev, struct uio *uio, int ioflag)
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return(ENXIO);
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mtr = &(meteor[unit]);
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if (mtr->bigbuf == NULL)/* no frame buffer allocated (ioctl failed) */
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if (mtr->bigbuf == 0)/* no frame buffer allocated (ioctl failed) */
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return(ENOMEM);
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if (mtr->flags & METEOR_CAP_MASK)
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@ -1570,7 +1570,7 @@ meteor_ioctl(dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr)
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temp = mtr->flags;
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switch (*(int *) arg) {
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case METEOR_CAP_SINGLE:
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if (mtr->bigbuf==NULL) /* no frame buffer allocated */
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if (mtr->bigbuf==0) /* no frame buffer allocated */
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return(ENOMEM);
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if (temp & METEOR_CAP_MASK)
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@ -1586,7 +1586,7 @@ meteor_ioctl(dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr)
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mtr->flags &= ~(METEOR_SINGLE|METEOR_WANT_MASK);
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break;
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case METEOR_CAP_CONTINOUS:
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if (mtr->bigbuf==NULL) /* no frame buffer allocated */
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if (mtr->bigbuf==0) /* no frame buffer allocated */
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return(ENOMEM);
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if (temp & METEOR_CAP_MASK)
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@ -1618,7 +1618,7 @@ meteor_ioctl(dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr)
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return(EIO);
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if (mtr->flags & (METEOR_YUV_PLANAR | METEOR_YUV_422)) /* XXX */
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return(EINVAL); /* should fix intr so we allow these */
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if (mtr->bigbuf == NULL)
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if (mtr->bigbuf == 0)
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return(ENOMEM);
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if ((mtr->frames < 2) ||
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(frame->lowat < 1 || frame->lowat >= mtr->frames) ||
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@ -1723,7 +1723,7 @@ meteor_ioctl(dev_t dev, int cmd, caddr_t arg, int flag, struct proc *pr)
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#endif
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) {
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buf = get_meteor_mem(unit, temp*PAGE_SIZE);
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if(buf != NULL) {
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if(buf != 0) {
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kmem_free(kernel_map, mtr->bigbuf,
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(mtr->alloc_pages * PAGE_SIZE));
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mtr->bigbuf = buf;
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@ -16,7 +16,7 @@
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*
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* New configuration setup: dufault@hda.com
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*
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* $Id: scsiconf.c,v 1.59 1996/06/03 14:25:11 jfieber Exp $
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* $Id: scsiconf.c,v 1.60 1996/06/14 11:02:16 asami Exp $
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*/
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#include "opt_scsi.h"
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@ -407,10 +407,6 @@ static struct scsi_device probe_switch =
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NULL,
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NULL,
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"probe",
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0,
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{0, 0},
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NULL,
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0
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};
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/*
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@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* @(#)ffs_alloc.c 8.8 (Berkeley) 2/21/94
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* $Id: ffs_alloc.c,v 1.23 1996/01/05 18:31:45 wollman Exp $
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* $Id: ffs_alloc.c,v 1.24 1996/05/08 04:29:07 gpalmer Exp $
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*/
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#include "opt_quota.h"
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@ -654,7 +654,7 @@ ffs_blkpref(ip, lbn, indx, bap)
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fs->fs_cgrotor = cg;
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return (fs->fs_fpg * cg + fs->fs_frag);
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}
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return (NULL);
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return (0);
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}
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/*
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* One or more previous blocks have been laid out. If less
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@ -756,30 +756,30 @@ ffs_fragextend(ip, cg, bprev, osize, nsize)
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fs = ip->i_fs;
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if (fs->fs_cs(fs, cg).cs_nffree < numfrags(fs, nsize - osize))
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return (NULL);
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return (0);
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frags = numfrags(fs, nsize);
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bbase = fragnum(fs, bprev);
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if (bbase > fragnum(fs, (bprev + frags - 1))) {
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/* cannot extend across a block boundary */
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return (NULL);
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return (0);
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}
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error = bread(ip->i_devvp, fsbtodb(fs, cgtod(fs, cg)),
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(int)fs->fs_cgsize, NOCRED, &bp);
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if (error) {
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brelse(bp);
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return (NULL);
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return (0);
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}
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cgp = (struct cg *)bp->b_data;
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if (!cg_chkmagic(cgp)) {
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brelse(bp);
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return (NULL);
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return (0);
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}
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cgp->cg_time = time.tv_sec;
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bno = dtogd(fs, bprev);
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for (i = numfrags(fs, osize); i < frags; i++)
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if (isclr(cg_blksfree(cgp), bno + i)) {
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brelse(bp);
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return (NULL);
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return (0);
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}
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/*
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* the current fragment can be extended
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@ -825,18 +825,18 @@ ffs_alloccg(ip, cg, bpref, size)
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fs = ip->i_fs;
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if (fs->fs_cs(fs, cg).cs_nbfree == 0 && size == fs->fs_bsize)
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return (NULL);
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return (0);
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error = bread(ip->i_devvp, fsbtodb(fs, cgtod(fs, cg)),
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(int)fs->fs_cgsize, NOCRED, &bp);
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if (error) {
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brelse(bp);
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return (NULL);
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return (0);
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}
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cgp = (struct cg *)bp->b_data;
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if (!cg_chkmagic(cgp) ||
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(cgp->cg_cs.cs_nbfree == 0 && size == fs->fs_bsize)) {
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brelse(bp);
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return (NULL);
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return (0);
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}
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cgp->cg_time = time.tv_sec;
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if (size == fs->fs_bsize) {
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@ -860,7 +860,7 @@ ffs_alloccg(ip, cg, bpref, size)
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*/
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if (cgp->cg_cs.cs_nbfree == 0) {
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brelse(bp);
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return (NULL);
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return (0);
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}
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bno = ffs_alloccgblk(fs, cgp, bpref);
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bpref = dtogd(fs, bno);
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@ -878,7 +878,7 @@ ffs_alloccg(ip, cg, bpref, size)
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bno = ffs_mapsearch(fs, cgp, bpref, allocsiz);
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if (bno < 0) {
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brelse(bp);
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return (NULL);
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return (0);
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}
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for (i = 0; i < frags; i++)
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clrbit(cg_blksfree(cgp), bno + i);
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@ -992,7 +992,7 @@ ffs_alloccgblk(fs, cgp, bpref)
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*/
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bno = ffs_mapsearch(fs, cgp, bpref, (int)fs->fs_frag);
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if (bno < 0)
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return (NULL);
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return (0);
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cgp->cg_rotor = bno;
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gotit:
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blkno = fragstoblks(fs, bno);
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@ -1122,17 +1122,17 @@ ffs_nodealloccg(ip, cg, ipref, mode)
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fs = ip->i_fs;
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if (fs->fs_cs(fs, cg).cs_nifree == 0)
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return (NULL);
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return (0);
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error = bread(ip->i_devvp, fsbtodb(fs, cgtod(fs, cg)),
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(int)fs->fs_cgsize, NOCRED, &bp);
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if (error) {
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brelse(bp);
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return (NULL);
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return (0);
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}
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cgp = (struct cg *)bp->b_data;
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if (!cg_chkmagic(cgp) || cgp->cg_cs.cs_nifree == 0) {
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brelse(bp);
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return (NULL);
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return (0);
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}
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cgp->cg_time = time.tv_sec;
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if (ipref) {
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|
@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* @(#)lfs_bio.c 8.4 (Berkeley) 12/30/93
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* $Id: lfs_bio.c,v 1.7 1995/12/03 11:16:35 bde Exp $
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* $Id: lfs_bio.c,v 1.8 1995/12/17 21:09:46 phk Exp $
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*/
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#include <sys/param.h>
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@ -103,7 +103,7 @@ lfs_bwrite(ap)
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/* Out of space, need cleaner to run */
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wakeup(&lfs_allclean_wakeup);
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error = tsleep(&fs->lfs_avail, PCATCH | PUSER,
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"cleaner", NULL);
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"cleaner", 0);
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if (error) {
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brelse(bp);
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return (error);
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|
@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* @(#)vm_swap.c 8.5 (Berkeley) 2/17/94
|
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* $Id: vm_swap.c,v 1.37 1996/03/28 14:36:48 scrappy Exp $
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* $Id: vm_swap.c,v 1.38 1996/03/28 15:40:17 bde Exp $
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*/
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#include <sys/param.h>
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@ -64,7 +64,7 @@ extern struct cdevsw sw_cdevsw ;
|
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static struct bdevsw sw_bdevsw =
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{ noopen, noclose, swstrategy, noioc, /*1*/
|
||||
nodump, nopsize, NULL, "sw", &sw_cdevsw, -1 };
|
||||
nodump, nopsize, 0, "sw", &sw_cdevsw, -1 };
|
||||
|
||||
static struct cdevsw sw_cdevsw =
|
||||
{ nullopen, nullclose, rawread, rawwrite, /*4*/
|
||||
|
Loading…
Reference in New Issue
Block a user