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powerpc: Fix a number of sparse warnings 

Address some of the trivial sparse warnings in arch/powerpc.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2013-08-07 02:01:24 +10:00 committed by Benjamin Herrenschmidt
parent a0a96ee9ba
commit b0d436c739
13 changed files with 20 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/powerpc/kernel/legacy_serial.c
View File

@ -99,7 +99,7 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
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",

4
arch/powerpc/kernel/pci-common.c
View File

@ -306,7 +306,7 @@ static struct resource *__pci_mmap_make_offset(struct pci_dev *dev,
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 */
@ -1578,7 +1578,7 @@ fake_pci_bus(struct pci_controller *hose, int busnr)
{
static struct pci_bus bus;
if (hose == 0) {
if (hose == NULL) {
printk(KERN_ERR "Can't find hose for PCI bus %d!\n", busnr);
}
bus.number = busnr;

2
arch/powerpc/kernel/pci_64.c
View File

@ -109,7 +109,7 @@ int pcibios_unmap_io_space(struct pci_bus *bus)
hose = pci_bus_to_host(bus);
/* Check if we have IOs allocated */
if (hose->io_base_alloc == 0)
if (hose->io_base_alloc == NULL)
return 0;
pr_debug("IO unmapping for PHB %s\n", hose->dn->full_name);

4
arch/powerpc/kernel/setup_64.c
View File

@ -325,7 +325,7 @@ static void __init initialize_cache_info(void)
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);
@ -347,7 +347,7 @@ static void __init initialize_cache_info(void)
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);

8
arch/powerpc/kernel/signal_64.c
View File

@ -346,13 +346,13 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
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;
@ -463,7 +463,7 @@ static long restore_tm_sigcontexts(struct pt_regs *regs,
tm_v_regs, 34 * sizeof(vector128)))
return -EFAULT;
/* Copy 33 vec registers (vr0..31 and vscr) from the stack */
if (v_regs != 0 && tm_v_regs != 0 && (msr & MSR_VEC) != 0) {
if (v_regs != NULL && tm_v_regs != NULL && (msr & MSR_VEC) != 0) {
err |= __copy_from_user(current->thread.vr, v_regs,
33 * sizeof(vector128));
err |= __copy_from_user(current->thread.transact_vr, tm_v_regs,
@ -474,7 +474,7 @@ static long restore_tm_sigcontexts(struct pt_regs *regs,
memset(current->thread.transact_vr, 0, 33 * sizeof(vector128));
}
/* Always get VRSAVE back */
if (v_regs != 0 && tm_v_regs != 0) {
if (v_regs != NULL && tm_v_regs != NULL) {
err |= __get_user(current->thread.vrsave,
(u32 __user *)&v_regs[33]);
err |= __get_user(current->thread.transact_vrsave,

2
arch/powerpc/kernel/smp.c
View File

@ -172,7 +172,7 @@ int smp_request_message_ipi(int virq, int msg)
#endif
err = request_irq(virq, smp_ipi_action[msg],
IRQF_PERCPU | IRQF_NO_THREAD | IRQF_NO_SUSPEND,
smp_ipi_name[msg], 0);
smp_ipi_name[msg], NULL);
WARN(err < 0, "unable to request_irq %d for %s (rc %d)\n",
virq, smp_ipi_name[msg], err);

2
arch/powerpc/mm/hash_utils_64.c
View File

@ -907,7 +907,7 @@ static int subpage_protection(struct mm_struct *mm, unsigned long ea)
if (ea >= spt->maxaddr)
return 0;
if (ea < 0x100000000) {
if (ea < 0x100000000UL) {
/* addresses below 4GB use spt->low_prot */
sbpm = spt->low_prot;
} else {

4
arch/powerpc/mm/subpage-prot.c
View File

@ -105,7 +105,7 @@ static void subpage_prot_clear(unsigned long addr, unsigned long len)
limit = spt->maxaddr;
for (; addr < limit; addr = next) {
next = pmd_addr_end(addr, limit);
if (addr < 0x100000000) {
if (addr < 0x100000000UL) {
spm = spt->low_prot;
} else {
spm = spt->protptrs[addr >> SBP_L3_SHIFT];
@ -219,7 +219,7 @@ long sys_subpage_prot(unsigned long addr, unsigned long len, u32 __user *map)
for (limit = addr + len; addr < limit; addr = next) {
next = pmd_addr_end(addr, limit);
err = -ENOMEM;
if (addr < 0x100000000) {
if (addr < 0x100000000UL) {
spm = spt->low_prot;
} else {
spm = spt->protptrs[addr >> SBP_L3_SHIFT];

2
arch/powerpc/perf/core-book3s.c
View File

@ -24,7 +24,7 @@
#define BHRB_MAX_ENTRIES 32
#define BHRB_TARGET 0x0000000000000002
#define BHRB_PREDICTION 0x0000000000000001
#define BHRB_EA 0xFFFFFFFFFFFFFFFC
#define BHRB_EA 0xFFFFFFFFFFFFFFFCUL
struct cpu_hw_events {
int n_events;

2
arch/powerpc/platforms/powernv/opal.c
View File

@ -422,7 +422,7 @@ void opal_shutdown(void)
for (i = 0; i < opal_irq_count; i++) {
if (opal_irqs[i])
free_irq(opal_irqs[i], 0);
free_irq(opal_irqs[i], NULL);
opal_irqs[i] = 0;
}
}

2
arch/powerpc/platforms/pseries/lpar.c
View File

@ -724,7 +724,7 @@ int h_get_mpp(struct hvcall_mpp_data *mpp_data)
mpp_data->mem_weight = (retbuf[3] >> 7 * 8) & 0xff;
mpp_data->unallocated_mem_weight = (retbuf[3] >> 6 * 8) & 0xff;
mpp_data->unallocated_entitlement = retbuf[3] & 0xffffffffffff;
mpp_data->unallocated_entitlement = retbuf[3] & 0xffffffffffffUL;
mpp_data->pool_size = retbuf[4];
mpp_data->loan_request = retbuf[5];

4
arch/powerpc/platforms/pseries/pseries_energy.c
View File

@ -108,8 +108,8 @@ err:
* energy consumption.
*/
#define FLAGS_MODE1 0x004E200000080E01
#define FLAGS_MODE2 0x004E200000080401
#define FLAGS_MODE1 0x004E200000080E01UL
#define FLAGS_MODE2 0x004E200000080401UL
#define FLAGS_ACTIVATE 0x100
static ssize_t get_best_energy_list(char *page, int activate)

2
arch/powerpc/platforms/pseries/setup.c
View File

@ -183,7 +183,7 @@ static void __init pseries_mpic_init_IRQ(void)
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);
}