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Message-Id: <200707270945.LAA17267@ifs.emn.fr>
Date: Fri, 27 Jul 2007 11:45:16 +0200 (MEST)
From: Yoann Padioleau <padator@...adoo.fr>
To: kernel-janitors@...r.kernel.org
Cc: paulus@...ba.org, linuxppc-dev@...abs.org,
benh@...nel.crashing.org, akpm@...ux-foundation.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 12/68] 0 -> NULL, for arch/powerpc
When comparing a pointer, it's clearer to compare it to NULL than to 0.
Here is an excerpt of the semantic patch:
@@
expression *E;
@@
E ==
- 0
+ NULL
@@
expression *E;
@@
E !=
- 0
+ NULL
Signed-off-by: Yoann Padioleau <padator@...adoo.fr>
Cc: paulus@...ba.org
Cc: linuxppc-dev@...abs.org
Cc: benh@...nel.crashing.org
Cc: akpm@...ux-foundation.org
---
boot/prpmc2800.c | 2 +-
kernel/btext.c | 8 ++++----
kernel/legacy_serial.c | 2 +-
kernel/pci-common.c | 2 +-
kernel/pci_32.c | 8 ++++----
kernel/prom.c | 4 ++--
kernel/setup_64.c | 4 ++--
kernel/signal_64.c | 4 ++--
mm/mmu_decl.h | 2 +-
mm/pgtable_32.c | 4 ++--
mm/ppc_mmu_32.c | 2 +-
mm/tlb_32.c | 12 ++++++------
platforms/52xx/lite5200.c | 2 +-
platforms/83xx/mpc832x_mds.c | 2 +-
platforms/83xx/mpc836x_mds.c | 2 +-
platforms/85xx/mpc85xx_ads.c | 4 ++--
platforms/85xx/mpc85xx_cds.c | 4 ++--
platforms/86xx/mpc86xx_hpcn.c | 4 ++--
platforms/8xx/mpc86xads_setup.c | 4 ++--
platforms/8xx/mpc885ads_setup.c | 4 ++--
platforms/maple/pci.c | 2 +-
platforms/maple/setup.c | 2 +-
platforms/powermac/pci.c | 2 +-
platforms/powermac/pfunc_core.c | 2 +-
platforms/powermac/setup.c | 6 +++---
platforms/powermac/time.c | 6 +++---
platforms/pseries/setup.c | 2 +-
sysdev/qe_lib/qe_io.c | 2 +-
xmon/spu-dis.c | 18 +++++++++---------
xmon/xmon.c | 4 ++--
30 files changed, 63 insertions(+), 63 deletions(-)
diff --git a/arch/powerpc/boot/prpmc2800.c b/arch/powerpc/boot/prpmc2800.c
index f428bac..b130e5b 100644
--- a/arch/powerpc/boot/prpmc2800.c
+++ b/arch/powerpc/boot/prpmc2800.c
@@ -480,7 +480,7 @@ static void prpmc2800_reset(void)
udelay(5000000);
- if (bridge_base != 0) {
+ if (bridge_base != NULL) {
temp = in_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_0));
temp &= 0xFFFF0FFF;
out_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_0), temp);
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index e7b6846..6d9b68b 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -142,14 +142,14 @@ static void map_boot_text(void)
/* By default, we are no longer mapped */
boot_text_mapped = 0;
- if (dispDeviceBase == 0)
+ if (dispDeviceBase == NULL)
return;
base = ((unsigned long) dispDeviceBase) & 0xFFFFF000UL;
offset = ((unsigned long) dispDeviceBase) - base;
size = dispDeviceRowBytes * dispDeviceRect[3] + offset
+ dispDeviceRect[0];
vbase = __ioremap(base, size, _PAGE_NO_CACHE);
- if (vbase == 0)
+ if (vbase == NULL)
return;
logicalDisplayBase = vbase + offset;
boot_text_mapped = 1;
@@ -253,7 +253,7 @@ static unsigned char * calc_base(int x,
unsigned char *base;
base = logicalDisplayBase;
- if (base == 0)
+ if (base == NULL)
base = dispDeviceBase;
base += (x + dispDeviceRect[0]) * (dispDeviceDepth >> 3);
base += (y + dispDeviceRect[1]) * dispDeviceRowBytes;
@@ -264,7 +264,7 @@ static unsigned char * calc_base(int x,
void btext_update_display(unsigned long phys, int width, int height,
int depth, int pitch)
{
- if (dispDeviceBase == 0)
+ if (dispDeviceBase == NULL)
return;
/* check it's the same frame buffer (within 256MB) */
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index cea8045..330bd21 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -67,7 +67,7 @@ static int __init add_legacy_port(struct
legacy_serial_count = index + 1;
/* Check if there is a port who already claimed our slot */
- if (legacy_serial_infos[index].np != 0) {
+ if (legacy_serial_infos[index].np != NULL) {
/* if we still have some room, move it, else override */
if (legacy_serial_count < MAX_LEGACY_SERIAL_PORTS) {
printk(KERN_DEBUG "Moved legacy port %d -> %d\n",
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index fe7d125..5fa0be3 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -256,7 +256,7 @@ static struct resource *__pci_mmap_make_
unsigned long io_offset = 0;
int i, res_bit;
- if (hose == 0)
+ if (hose == NULL)
return NULL; /* should never happen */
/* If memory, add on the PCI bridge address offset */
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 721a694..4edefa6 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -598,7 +598,7 @@ make_one_node_map(struct device_node* no
} else
pci_to_OF_bus_map[pci_bus] = bus_range[0];
- for (node=node->child; node != 0;node = node->sibling) {
+ for (node=node->child; node != NULL;node = node->sibling) {
struct pci_dev* dev;
const unsigned int *class_code, *reg;
@@ -671,7 +671,7 @@ scan_OF_pci_childs(struct device_node* n
{
struct device_node* sub_node;
- for (; node != 0;node = node->sibling) {
+ for (; node != NULL;node = node->sibling) {
const unsigned int *class_code;
if (filter(node, data))
@@ -1449,9 +1449,9 @@ fake_pci_bus(struct pci_controller *hose
{
static struct pci_bus bus;
- if (hose == 0) {
+ if (hose == NULL) {
hose = pci_bus_to_hose(busnr);
- if (hose == 0)
+ if (hose == NULL)
printk(KERN_ERR "Can't find hose for PCI bus %d!\n", busnr);
}
bus.number = busnr;
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index a38197b..509f1e2 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1095,7 +1095,7 @@ struct device_node *of_find_node_by_phan
struct device_node *np;
read_lock(&devtree_lock);
- for (np = allnodes; np != 0; np = np->allnext)
+ for (np = allnodes; np != NULL; np = np->allnext)
if (np->linux_phandle == handle)
break;
of_node_get(np);
@@ -1118,7 +1118,7 @@ struct device_node *of_find_all_nodes(st
read_lock(&devtree_lock);
np = prev ? prev->allnext : allnodes;
- for (; np != 0; np = np->allnext)
+ for (; np != NULL; np = np->allnext)
if (of_node_get(np))
break;
of_node_put(prev);
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 6018178..95119a5 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -310,7 +310,7 @@ static void __init initialize_cache_info
lsizep = of_get_property(np, dc, NULL);
if (lsizep != NULL)
lsize = *lsizep;
- if (sizep == 0 || lsizep == 0)
+ if (sizep == NULL || lsizep == NULL)
DBG("Argh, can't find dcache properties ! "
"sizep: %p, lsizep: %p\n", sizep, lsizep);
@@ -327,7 +327,7 @@ static void __init initialize_cache_info
lsizep = of_get_property(np, ic, NULL);
if (lsizep != NULL)
lsize = *lsizep;
- if (sizep == 0 || lsizep == 0)
+ if (sizep == NULL || lsizep == NULL)
DBG("Argh, can't find icache properties ! "
"sizep: %p, lsizep: %p\n", sizep, lsizep);
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index de895e6..6e02ec6 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -184,13 +184,13 @@ #ifdef CONFIG_ALTIVEC
if (v_regs && !access_ok(VERIFY_READ, v_regs, 34 * sizeof(vector128)))
return -EFAULT;
/* Copy 33 vec registers (vr0..31 and vscr) from the stack */
- if (v_regs != 0 && (msr & MSR_VEC) != 0)
+ if (v_regs != NULL && (msr & MSR_VEC) != 0)
err |= __copy_from_user(current->thread.vr, v_regs,
33 * sizeof(vector128));
else if (current->thread.used_vr)
memset(current->thread.vr, 0, 33 * sizeof(vector128));
/* Always get VRSAVE back */
- if (v_regs != 0)
+ if (v_regs != NULL)
err |= __get_user(current->thread.vrsave, (u32 __user *)&v_regs[33]);
else
current->thread.vrsave = 0;
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index c94a64f..b956e8b 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -83,7 +83,7 @@ extern unsigned long mmu_mapin_ram(void)
static inline void flush_HPTE(unsigned context, unsigned long va,
unsigned long pdval)
{
- if ((Hash != 0) &&
+ if ((Hash != NULL) &&
cpu_has_feature(CPU_FTR_HPTE_TABLE))
flush_hash_pages(0, va, pdval, 1);
else
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 6448872..6c5b368 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -209,7 +209,7 @@ __ioremap(phys_addr_t addr, unsigned lon
if (mem_init_done) {
struct vm_struct *area;
area = get_vm_area(size, VM_IOREMAP);
- if (area == 0)
+ if (area == NULL)
return NULL;
v = (unsigned long) area->addr;
} else {
@@ -262,7 +262,7 @@ int map_page(unsigned long va, phys_addr
pd = pmd_offset(pud_offset(pgd_offset_k(va), va), va);
/* Use middle 10 bits of VA to index the second-level map */
pg = pte_alloc_kernel(pd, va);
- if (pg != 0) {
+ if (pg != NULL) {
err = 0;
/* The PTE should never be already set nor present in the
* hash table
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index 5c45d47..8e95c56 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -182,7 +182,7 @@ void hash_preload(struct mm_struct *mm,
{
pmd_t *pmd;
- if (Hash == 0)
+ if (Hash == NULL)
return;
pmd = pmd_offset(pud_offset(pgd_offset(mm, ea), ea), ea);
if (!pmd_none(*pmd))
diff --git a/arch/powerpc/mm/tlb_32.c b/arch/powerpc/mm/tlb_32.c
index eb4b512..5db5aff 100644
--- a/arch/powerpc/mm/tlb_32.c
+++ b/arch/powerpc/mm/tlb_32.c
@@ -40,7 +40,7 @@ void flush_hash_entry(struct mm_struct *
{
unsigned long ptephys;
- if (Hash != 0) {
+ if (Hash != NULL) {
ptephys = __pa(ptep) & PAGE_MASK;
flush_hash_pages(mm->context.id, addr, ptephys, 1);
}
@@ -52,7 +52,7 @@ void flush_hash_entry(struct mm_struct *
*/
void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr)
{
- if (Hash != 0)
+ if (Hash != NULL)
return;
_tlbie(addr);
}
@@ -63,7 +63,7 @@ void flush_tlb_page_nohash(struct vm_are
*/
void tlb_flush(struct mmu_gather *tlb)
{
- if (Hash == 0) {
+ if (Hash == NULL) {
/*
* 603 needs to flush the whole TLB here since
* it doesn't use a hash table.
@@ -104,7 +104,7 @@ static void flush_range(struct mm_struct
int count;
unsigned int ctx = mm->context.id;
- if (Hash == 0) {
+ if (Hash == NULL) {
_tlbia();
return;
}
@@ -144,7 +144,7 @@ void flush_tlb_mm(struct mm_struct *mm)
{
struct vm_area_struct *mp;
- if (Hash == 0) {
+ if (Hash == NULL) {
_tlbia();
return;
}
@@ -165,7 +165,7 @@ void flush_tlb_page(struct vm_area_struc
struct mm_struct *mm;
pmd_t *pmd;
- if (Hash == 0) {
+ if (Hash == NULL) {
_tlbie(vmaddr);
return;
}
diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c
index 5c46e89..9926396 100644
--- a/arch/powerpc/platforms/52xx/lite5200.c
+++ b/arch/powerpc/platforms/52xx/lite5200.c
@@ -118,7 +118,7 @@ static void __init lite5200_setup_arch(v
if (np) {
const unsigned int *fp =
of_get_property(np, "clock-frequency", NULL);
- if (fp != 0)
+ if (fp != NULL)
loops_per_jiffy = *fp / HZ;
else
loops_per_jiffy = 50000000 / HZ;
diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index b39cb52..b2bf27d 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -65,7 +65,7 @@ static void __init mpc832x_sys_setup_arc
/* Map BCSR area */
np = of_find_node_by_name(NULL, "bcsr");
- if (np != 0) {
+ if (np != NULL) {
struct resource res;
of_address_to_resource(np, 0, &res);
diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c
index 0e615fd..b979fcf 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c
@@ -71,7 +71,7 @@ static void __init mpc836x_mds_setup_arc
/* Map BCSR area */
np = of_find_node_by_name(NULL, "bcsr");
- if (np != 0) {
+ if (np != NULL) {
struct resource res;
of_address_to_resource(np, 0, &res);
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index 40a8286..083f915 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -201,11 +201,11 @@ #endif
ppc_md.progress("mpc85xx_ads_setup_arch()", 0);
cpu = of_find_node_by_type(NULL, "cpu");
- if (cpu != 0) {
+ if (cpu != NULL) {
const unsigned int *fp;
fp = of_get_property(cpu, "clock-frequency", NULL);
- if (fp != 0)
+ if (fp != NULL)
loops_per_jiffy = *fp / HZ;
else
loops_per_jiffy = 50000000 / HZ;
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index 6a171e9..bc29eff 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -275,11 +275,11 @@ #endif
ppc_md.progress("mpc85xx_cds_setup_arch()", 0);
cpu = of_find_node_by_type(NULL, "cpu");
- if (cpu != 0) {
+ if (cpu != NULL) {
const unsigned int *fp;
fp = of_get_property(cpu, "clock-frequency", NULL);
- if (fp != 0)
+ if (fp != NULL)
loops_per_jiffy = *fp / HZ;
else
loops_per_jiffy = 500000000 / HZ;
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index e9eaa07..fad9418 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -333,11 +333,11 @@ mpc86xx_hpcn_setup_arch(void)
ppc_md.progress("mpc86xx_hpcn_setup_arch()", 0);
np = of_find_node_by_type(NULL, "cpu");
- if (np != 0) {
+ if (np != NULL) {
const unsigned int *fp;
fp = of_get_property(np, "clock-frequency", NULL);
- if (fp != 0)
+ if (fp != NULL)
loops_per_jiffy = *fp / HZ;
else
loops_per_jiffy = 50000000 / HZ;
diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
index cf0e7bc..1b02ff1 100644
--- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
@@ -257,11 +257,11 @@ static void __init mpc86xads_setup_arch(
struct device_node *cpu;
cpu = of_find_node_by_type(NULL, "cpu");
- if (cpu != 0) {
+ if (cpu != NULL) {
const unsigned int *fp;
fp = of_get_property(cpu, "clock-frequency", NULL);
- if (fp != 0)
+ if (fp != NULL)
loops_per_jiffy = *fp / HZ;
else
loops_per_jiffy = 50000000 / HZ;
diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
index 5a808d6..cd435f2 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
@@ -409,11 +409,11 @@ static void __init mpc885ads_setup_arch(
struct device_node *cpu;
cpu = of_find_node_by_type(NULL, "cpu");
- if (cpu != 0) {
+ if (cpu != NULL) {
const unsigned int *fp;
fp = of_get_property(cpu, "clock-frequency", NULL);
- if (fp != 0)
+ if (fp != NULL)
loops_per_jiffy = *fp / HZ;
else
loops_per_jiffy = 50000000 / HZ;
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index fceaae4..3e928d6 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -38,7 +38,7 @@ static struct pci_controller *u3_agp, *u
static int __init fixup_one_level_bus_range(struct device_node *node, int higher)
{
- for (; node != 0;node = node->sibling) {
+ for (; node != NULL;node = node->sibling) {
const int *bus_range;
const unsigned int *class_code;
int len;
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 354c058..b075c15 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -250,7 +250,7 @@ static void __init maple_init_IRQ(void)
root = of_find_node_by_path("/");
naddr = of_n_addr_cells(root);
opprop = of_get_property(root, "platform-open-pic", &opplen);
- if (opprop != 0) {
+ if (opprop != NULL) {
openpic_addr = of_read_number(opprop, naddr);
has_isus = (opplen > naddr);
printk(KERN_DEBUG "OpenPIC addr: %lx, has ISUs: %d\n",
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index 92586db..0943d69 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -62,7 +62,7 @@ #define BANDIT_COHERENT 0x40
static int __init fixup_one_level_bus_range(struct device_node *node, int higher)
{
- for (; node != 0;node = node->sibling) {
+ for (; node != NULL;node = node->sibling) {
const int * bus_range;
const unsigned int *class_code;
int len;
diff --git a/arch/powerpc/platforms/powermac/pfunc_core.c b/arch/powerpc/platforms/powermac/pfunc_core.c
index 8543423..aed0c15 100644
--- a/arch/powerpc/platforms/powermac/pfunc_core.c
+++ b/arch/powerpc/platforms/powermac/pfunc_core.c
@@ -685,7 +685,7 @@ #define PP_PREFIX "platform-do-"
const int plen = strlen(PP_PREFIX);
int count = 0;
- for (pp = dev->node->properties; pp != 0; pp = pp->next) {
+ for (pp = dev->node->properties; pp != NULL; pp = pp->next) {
char *name;
if (strncmp(pp->name, PP_PREFIX, plen) != 0)
continue;
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 7ccb923..75b600a 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -261,12 +261,12 @@ static void __init l2cr_init(void)
/* Checks "l2cr-value" property in the registry */
if (cpu_has_feature(CPU_FTR_L2CR)) {
struct device_node *np = of_find_node_by_name(NULL, "cpus");
- if (np == 0)
+ if (np == NULL)
np = of_find_node_by_type(NULL, "cpu");
- if (np != 0) {
+ if (np != NULL) {
const unsigned int *l2cr =
of_get_property(np, "l2cr-value", NULL);
- if (l2cr != 0) {
+ if (l2cr != NULL) {
ppc_override_l2cr = 1;
ppc_override_l2cr_value = *l2cr;
_set_L2CR(0);
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index bf9da56..1767b2d 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -260,11 +260,11 @@ int __init via_calibrate_decr(void)
struct resource rsrc;
vias = of_find_node_by_name(NULL, "via-cuda");
- if (vias == 0)
+ if (vias == NULL)
vias = of_find_node_by_name(NULL, "via-pmu");
- if (vias == 0)
+ if (vias == NULL)
vias = of_find_node_by_name(NULL, "via");
- if (vias == 0 || of_address_to_resource(vias, 0, &rsrc))
+ if (vias == NULL || of_address_to_resource(vias, 0, &rsrc))
return 0;
via = ioremap(rsrc.start, rsrc.end - rsrc.start + 1);
if (via == NULL) {
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index f0b7146..10681c0 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -141,7 +141,7 @@ static void __init pseries_mpic_init_IRQ
np = of_find_node_by_path("/");
naddr = of_n_addr_cells(np);
opprop = of_get_property(np, "platform-open-pic", &opplen);
- if (opprop != 0) {
+ if (opprop != NULL) {
openpic_addr = of_read_number(opprop, naddr);
printk(KERN_DEBUG "OpenPIC addr: %lx\n", openpic_addr);
}
diff --git a/arch/powerpc/sysdev/qe_lib/qe_io.c b/arch/powerpc/sysdev/qe_lib/qe_io.c
index e32b45b..575ae0a 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_io.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_io.c
@@ -162,7 +162,7 @@ int par_io_of_config(struct device_node
}
ph = of_get_property(np, "pio-handle", NULL);
- if (ph == 0) {
+ if (ph == NULL) {
printk(KERN_ERR "pio-handle not available \n");
return -1;
}
diff --git a/arch/powerpc/xmon/spu-dis.c b/arch/powerpc/xmon/spu-dis.c
index e5f8983..d9ef4dc 100644
--- a/arch/powerpc/xmon/spu-dis.c
+++ b/arch/powerpc/xmon/spu-dis.c
@@ -45,7 +45,7 @@ init_spu_disassemble (void)
int o = spu_opcodes[i].opcode;
if (o >= SPU_DISASM_TBL_SIZE)
continue; /* abort (); */
- if (spu_disassemble_table[o] == 0)
+ if (spu_disassemble_table[o] == NULL)
spu_disassemble_table[o] = &spu_opcodes[i];
}
}
@@ -59,30 +59,30 @@ get_index_for_opcode (unsigned int insn)
/* Init the table. This assumes that element 0/opcode 0 (currently
* NOP) is always used */
- if (spu_disassemble_table[0] == 0)
+ if (spu_disassemble_table[0] == NULL)
init_spu_disassemble ();
- if ((index = spu_disassemble_table[opcode & 0x780]) != 0
+ if ((index = spu_disassemble_table[opcode & 0x780]) != NULL
&& index->insn_type == RRR)
return index;
- if ((index = spu_disassemble_table[opcode & 0x7f0]) != 0
+ if ((index = spu_disassemble_table[opcode & 0x7f0]) != NULL
&& (index->insn_type == RI18 || index->insn_type == LBT))
return index;
- if ((index = spu_disassemble_table[opcode & 0x7f8]) != 0
+ if ((index = spu_disassemble_table[opcode & 0x7f8]) != NULL
&& index->insn_type == RI10)
return index;
- if ((index = spu_disassemble_table[opcode & 0x7fc]) != 0
+ if ((index = spu_disassemble_table[opcode & 0x7fc]) != NULL
&& (index->insn_type == RI16))
return index;
- if ((index = spu_disassemble_table[opcode & 0x7fe]) != 0
+ if ((index = spu_disassemble_table[opcode & 0x7fe]) != NULL
&& (index->insn_type == RI8))
return index;
- if ((index = spu_disassemble_table[opcode & 0x7ff]) != 0)
+ if ((index = spu_disassemble_table[opcode & 0x7ff]) != NULL)
return index;
return NULL;
@@ -100,7 +100,7 @@ print_insn_spu (unsigned long insn, unsi
index = get_index_for_opcode (insn);
- if (index == 0)
+ if (index == NULL)
{
printf(".long 0x%x", insn);
}
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 121b04d..3c37276 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -591,7 +591,7 @@ static int xmon_iabr_match(struct pt_reg
{
if ((regs->msr & (MSR_IR|MSR_PR|MSR_SF)) != (MSR_IR|MSR_SF))
return 0;
- if (iabr == 0)
+ if (iabr == NULL)
return 0;
xmon_core(regs, 0);
return 1;
@@ -1135,7 +1135,7 @@ #endif
} else {
/* assume a breakpoint address */
bp = at_breakpoint(a);
- if (bp == 0) {
+ if (bp == NULL) {
printf("No breakpoint at %x\n", a);
break;
}
-
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