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hv:fix "missing for discarded return value" for memset

Browse Source 
No need to check the return value for memset
code like this:
int a(void) {
	return 0;
}
int b(void){
	a();
}
fix as follow:
int a(void) {
	return 0;
}
int b(void){
	(void)a();
}

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Mingqiang Chi 2018-07-05 10:26:45 +08:00 committed by lijinxia
parent 91ef6ed59b
commit 666430a3d4
24 changed files with 65 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hypervisor/arch/x86/cpu.c
View File

@ -368,7 +368,7 @@ void bsp_boot_init(void)
start_tsc = rdtsc();
/* Clear BSS */
memset(_ld_bss_start, 0, _ld_bss_end - _ld_bss_start);
(void)memset(_ld_bss_start, 0, _ld_bss_end - _ld_bss_start);
/* Build time sanity checks to make sure hard-coded offset
* is matching the actual offset!

2
hypervisor/arch/x86/cpu_state_tbl.c
View File

@ -113,7 +113,7 @@ void load_cpu_state_data(void)
int tbl_idx;
const struct cpu_state_info *state_info;
memset(&boot_cpu_data.state_info, 0,
(void)memset(&boot_cpu_data.state_info, 0,
sizeof(struct cpu_state_info));
tbl_idx = get_state_tbl_idx(boot_cpu_data.model_name);

2
hypervisor/arch/x86/ept.c
View File

@ -425,7 +425,7 @@ int ept_violation_vmexit_handler(struct vcpu *vcpu)
* instruction emulation. For MMIO read, ask DM to run MMIO
* emulation at first.
*/
memset(&vcpu->req, 0, sizeof(struct vhm_request));
(void)memset(&vcpu->req, 0, sizeof(struct vhm_request));
if (dm_emulate_mmio_pre(vcpu, exit_qual) != 0)
goto out;

4
hypervisor/arch/x86/guest/guest.c
View File

@ -726,7 +726,7 @@ uint64_t create_guest_initial_paging(struct vm *vm)
* number for it(without trusty) is GUEST_INIT_PT_PAGE_NUM-1.
* here make sure they are init as 0 (page entry no present)
*/
memset(pml4_addr, 0, PAGE_SIZE_4K * GUEST_INIT_PT_PAGE_NUM-1);
(void)memset(pml4_addr, 0, PAGE_SIZE_4K * GUEST_INIT_PT_PAGE_NUM-1);
/* Write PML4E */
table_present = (IA32E_COMM_P_BIT | IA32E_COMM_RW_BIT);
@ -766,7 +766,7 @@ uint64_t create_guest_initial_paging(struct vm *vm)
*/
if (vm->sworld_control.sworld_enabled && !is_vm0(vm)) {
/* clear page entry for trusty */
memset(pml4_addr + 6 * PAGE_SIZE_4K, 0, PAGE_SIZE_4K);
(void)memset(pml4_addr + 6 * PAGE_SIZE_4K, 0, PAGE_SIZE_4K);
/* Write PDPTE for trusy memory, PD will use 7th page */
pd_base_paddr = GUEST_INIT_PAGE_TABLE_START +

4
hypervisor/arch/x86/guest/instr_emul.c
View File

@ -1241,7 +1241,7 @@ emulate_stack_op(struct vcpu *vcpu, uint64_t mmio_gpa, struct vie *vie,
uint8_t size, stackaddrsize;
uint32_t err_code = 0U;
memset(&ss_desc, 0U, sizeof(ss_desc));
(void)memset(&ss_desc, 0U, sizeof(ss_desc));
val = 0UL;
size = vie->opsize;
@ -1690,7 +1690,7 @@ vie_init(struct vie *vie, struct vcpu *vcpu)
return -EINVAL;
}
memset(vie, 0U, sizeof(struct vie));
(void)memset(vie, 0U, sizeof(struct vie));
vie->base_register = CPU_REG_LAST;
vie->index_register = CPU_REG_LAST;

6
hypervisor/arch/x86/guest/pm.c
View File

@ -36,7 +36,8 @@ static void vm_setup_cpu_px(struct vm *vm)
uint32_t px_data_size;
vm->pm.px_cnt = 0U;
memset(vm->pm.px_data, 0, MAX_PSTATE * sizeof(struct cpu_px_data));
(void)memset(vm->pm.px_data, 0,
MAX_PSTATE * sizeof(struct cpu_px_data));
if ((boot_cpu_data.state_info.px_cnt == 0U)
|| (boot_cpu_data.state_info.px_data == NULL)) {
@ -60,7 +61,8 @@ static void vm_setup_cpu_cx(struct vm *vm)
uint32_t cx_data_size;
vm->pm.cx_cnt = 0U;
memset(vm->pm.cx_data, 0, MAX_CSTATE * sizeof(struct cpu_cx_data));
(void)memset(vm->pm.cx_data, 0,
MAX_CSTATE * sizeof(struct cpu_cx_data));
if ((boot_cpu_data.state_info.cx_cnt == 0U)
|| (boot_cpu_data.state_info.cx_data == NULL)) {

4
hypervisor/arch/x86/guest/vcpu.c
View File

@ -96,7 +96,7 @@ int create_vcpu(uint16_t pcpu_id, struct vm *vm, struct vcpu **rtn_vcpu_handle)
ASSERT(vcpu->arch_vcpu.vmcs != NULL, "");
/* Memset VMCS region for this VCPU */
memset(vcpu->arch_vcpu.vmcs, 0, CPU_PAGE_SIZE);
(void)memset(vcpu->arch_vcpu.vmcs, 0, CPU_PAGE_SIZE);
/* Initialize exception field in VCPU context */
vcpu->arch_vcpu.exception_info.exception = VECTOR_INVALID;
@ -283,7 +283,7 @@ void reset_vcpu(struct vcpu *vcpu)
vcpu->arch_vcpu.cur_context = NORMAL_WORLD;
vcpu->arch_vcpu.irq_window_enabled = 0;
vcpu->arch_vcpu.inject_event_pending = false;
memset(vcpu->arch_vcpu.vmcs, 0, CPU_PAGE_SIZE);
(void)memset(vcpu->arch_vcpu.vmcs, 0, CPU_PAGE_SIZE);
vlapic = vcpu->arch_vcpu.vlapic;
vlapic_reset(vlapic);

10
hypervisor/arch/x86/guest/vlapic.c
View File

@ -262,7 +262,7 @@ static void vlapic_create_timer(struct vlapic *vlapic)
return;
vlapic_timer = &vlapic->vlapic_timer;
memset(vlapic_timer, 0, sizeof(struct vlapic_timer));
(void)memset(vlapic_timer, 0, sizeof(struct vlapic_timer));
initialize_timer(&vlapic_timer->timer,
vlapic_timer_expired, vlapic->vcpu,
@ -1491,9 +1491,9 @@ vlapic_reset(struct vlapic *vlapic)
lapic = vlapic->apic_page;
apic_page = (void *)vlapic->apic_page;
memset(apic_page, 0, CPU_PAGE_SIZE);
(void)memset(apic_page, 0, CPU_PAGE_SIZE);
if (vlapic->pir_desc)
memset(vlapic->pir_desc, 0, sizeof(struct pir_desc));
(void)memset(vlapic->pir_desc, 0, sizeof(struct pir_desc));
lapic->id = vlapic_build_id(vlapic);
lapic->version = VLAPIC_VERSION;
@ -1992,7 +1992,7 @@ int vlapic_create(struct vcpu *vcpu)
ASSERT(vlapic != NULL, "vlapic allocate failed");
ASSERT(apic_page != NULL, "apic reg page allocate failed");
memset((void *)apic_page, 0, CPU_PAGE_SIZE);
(void)memset((void *)apic_page, 0, CPU_PAGE_SIZE);
vlapic->vm = vcpu->vm;
vlapic->vcpu = vcpu;
vlapic->apic_page = (struct lapic_regs *)apic_page;
@ -2169,7 +2169,7 @@ apicv_get_apic_access_addr(__unused struct vm *vm)
ASSERT(apicv_apic_access_addr != NULL,
"apicv allocate failed.");
memset((void *)apicv_apic_access_addr, 0, CPU_PAGE_SIZE);
(void)memset((void *)apicv_apic_access_addr, 0, CPU_PAGE_SIZE);
}
return HVA2HPA(apicv_apic_access_addr);
}

4
hypervisor/arch/x86/guest/vmsr.c
View File

@ -92,7 +92,7 @@ void init_msr_emulation(struct vcpu *vcpu)
/* Allocate and initialize memory for MSR bitmap region*/
vcpu->vm->arch_vm.msr_bitmap = alloc_page();
ASSERT(vcpu->vm->arch_vm.msr_bitmap != NULL, "");
memset(vcpu->vm->arch_vm.msr_bitmap, 0x0, CPU_PAGE_SIZE);
(void)memset(vcpu->vm->arch_vm.msr_bitmap, 0x0, CPU_PAGE_SIZE);
msr_bitmap = vcpu->vm->arch_vm.msr_bitmap;
@ -135,7 +135,7 @@ void init_msr_emulation(struct vcpu *vcpu)
(uint64_t *)calloc(msrs_count, sizeof(uint64_t));
ASSERT(vcpu->guest_msrs != NULL, "");
memset(vcpu->guest_msrs, 0, msrs_count * sizeof(uint64_t));
(void)memset(vcpu->guest_msrs, 0, msrs_count * sizeof(uint64_t));
}
int rdmsr_vmexit_handler(struct vcpu *vcpu)

10
hypervisor/arch/x86/io.c
View File

@ -113,7 +113,7 @@ int io_instr_vmexit_handler(struct vcpu *vcpu)
if (status != 0) {
uint64_t *rax = &cur_context->guest_cpu_regs.regs.rax;
memset(&vcpu->req, 0, sizeof(struct vhm_request));
(void)memset(&vcpu->req, 0, sizeof(struct vhm_request));
dm_emulate_pio_pre(vcpu, exit_qual, sz, *rax);
status = acrn_insert_request_wait(vcpu, &vcpu->req);
}
@ -220,12 +220,12 @@ void setup_io_bitmap(struct vm *vm)
(vm->arch_vm.iobitmap[1] != NULL), "");
if (is_vm0(vm)) {
memset(vm->arch_vm.iobitmap[0], 0x00, CPU_PAGE_SIZE);
memset(vm->arch_vm.iobitmap[1], 0x00, CPU_PAGE_SIZE);
(void)memset(vm->arch_vm.iobitmap[0], 0x00, CPU_PAGE_SIZE);
(void)memset(vm->arch_vm.iobitmap[1], 0x00, CPU_PAGE_SIZE);
} else {
/* block all IO port access from Guest */
memset(vm->arch_vm.iobitmap[0], 0xFF, CPU_PAGE_SIZE);
memset(vm->arch_vm.iobitmap[1], 0xFF, CPU_PAGE_SIZE);
(void)memset(vm->arch_vm.iobitmap[0], 0xFF, CPU_PAGE_SIZE);
(void)memset(vm->arch_vm.iobitmap[1], 0xFF, CPU_PAGE_SIZE);
}
}

2
hypervisor/arch/x86/irq.c
View File

@ -23,7 +23,7 @@ static void init_irq_desc(void)
irq_desc_base = alloc_pages(page_num);
ASSERT(irq_desc_base != NULL, "page alloc failed!");
memset(irq_desc_base, 0, page_num * CPU_PAGE_SIZE);
(void)memset(irq_desc_base, 0, page_num * CPU_PAGE_SIZE);
for (i = 0U; i < NR_MAX_IRQS; i++) {
irq_desc_base[i].irq = i;

4
hypervisor/arch/x86/mmu.c
View File

@ -651,7 +651,7 @@ void *alloc_paging_struct(void)
ptr = alloc_page();
ASSERT(ptr != NULL, "page alloc failed!");
memset(ptr, 0, CPU_PAGE_SIZE);
(void)memset(ptr, 0, CPU_PAGE_SIZE);
return ptr;
}
@ -659,7 +659,7 @@ void *alloc_paging_struct(void)
void free_paging_struct(void *ptr)
{
if (ptr != NULL) {
memset(ptr, 0, CPU_PAGE_SIZE);
(void)memset(ptr, 0, CPU_PAGE_SIZE);
free(ptr);
}
}

8
hypervisor/arch/x86/trusty.c
View File

@ -155,7 +155,7 @@ void destroy_secure_world(struct vm *vm)
}
/* clear trusty memory space */
memset(HPA2HVA(vm->sworld_control.sworld_memory.base_hpa),
(void)memset(HPA2HVA(vm->sworld_control.sworld_memory.base_hpa),
0, vm->sworld_control.sworld_memory.length);
/* restore memory to SOS ept mapping */
@ -319,7 +319,7 @@ static bool setup_trusty_info(struct vcpu *vcpu,
memcpy_s(&mem->first_page.data.key_info, sizeof(g_key_info),
&g_key_info, sizeof(g_key_info));
memset(mem->first_page.data.key_info.dseed_list, 0,
(void)memset(mem->first_page.data.key_info.dseed_list, 0,
sizeof(mem->first_page.data.key_info.dseed_list));
/* Derive dvseed from dseed for Trusty */
key_info = &mem->first_page.data.key_info;
@ -330,7 +330,7 @@ static bool setup_trusty_info(struct vcpu *vcpu,
BUP_MKHI_BOOTLOADER_SEED_LEN,
NULL, 0,
vcpu->vm->GUID, sizeof(vcpu->vm->GUID)) == 0) {
memset(key_info, 0, sizeof(struct key_info));
(void)memset(key_info, 0, sizeof(struct key_info));
pr_err("%s: derive dvseed failed!", __func__);
return false;
}
@ -455,7 +455,7 @@ void trusty_set_dseed(void *dseed, uint8_t dseed_num)
(dseed_num > BOOTLOADER_SEED_MAX_ENTRIES)) {
g_key_info.num_seeds = 1;
memset(g_key_info.dseed_list[0].seed, 0xA5,
(void)memset(g_key_info.dseed_list[0].seed, 0xA5,
sizeof(g_key_info.dseed_list[0].seed));
return;
}

6
hypervisor/boot/sbl/hob_parse.c
View File

@ -52,7 +52,7 @@ void parse_seed_list(struct seed_list_hob *seed_hob)
dseed_index++;
/* erase original seed in seed entry */
memset(entry->seed, 0, sizeof(struct seed_info));
(void)memset(entry->seed, 0, sizeof(struct seed_info));
}
entry = (struct seed_entry *)((uint8_t *)entry +
@ -60,10 +60,10 @@ void parse_seed_list(struct seed_list_hob *seed_hob)
}
trusty_set_dseed(dseed_list, dseed_index);
memset(dseed_list, 0, sizeof(dseed_list));
(void)memset(dseed_list, 0, sizeof(dseed_list));
return;
fail:
trusty_set_dseed(NULL, 0);
memset(dseed_list, 0, sizeof(dseed_list));
(void)memset(dseed_list, 0, sizeof(dseed_list));
}

4
hypervisor/bsp/uefi/efi/boot.c
View File

@ -83,14 +83,14 @@ construct_mbi(struct multiboot_info **mbi_ret, struct efi_ctx *efi_ctx)
goto out;
mbi = (struct multiboot_info *)(UINTN)addr;
memset((void *)mbi, 0x0, sizeof(*mbi));
(void)memset((void *)mbi, 0x0, sizeof(*mbi));
/* allocate mmap[] */
err = emalloc(sizeof(struct multiboot_mmap)*128, 8, &addr);
if (err != EFI_SUCCESS)
goto out;
mmap = (struct multiboot_mmap *)(UINTN)addr;
memset((void *)mmap, 0x0, sizeof(*mmap)*128);
(void)memset((void *)mmap, 0x0, sizeof(*mmap)*128);
/* We're just interested in the map's size for now */
map_size = 0;

2
hypervisor/bsp/uefi/efi/malloc.c
View File

@ -354,7 +354,7 @@ void *calloc(UINTN nmemb, UINTN size)
buffer = malloc(bytes);
if (buffer)
memset(buffer, 0, bytes);
(void)memset(buffer, 0, bytes);
return buffer;
}

22
hypervisor/common/hypercall.c
View File

@ -135,13 +135,13 @@ int64_t hcall_create_vm(struct vm *vm, uint64_t param)
struct acrn_create_vm cv;
struct vm_description vm_desc;
memset((void *)&cv, 0, sizeof(cv));
(void)memset((void *)&cv, 0, sizeof(cv));
if (copy_from_gpa(vm, &cv, param, sizeof(cv)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);
return -1;
}
memset(&vm_desc, 0, sizeof(vm_desc));
(void)memset(&vm_desc, 0, sizeof(vm_desc));
vm_desc.sworld_enabled =
(!!(cv.vm_flag & (SECURE_WORLD_ENABLED)));
memcpy_s(&vm_desc.GUID[0], 16, &cv.GUID[0], 16);
@ -281,7 +281,7 @@ int64_t hcall_inject_msi(struct vm *vm, uint64_t vmid, uint64_t param)
if (target_vm == NULL)
return -1;
memset((void *)&msi, 0, sizeof(msi));
(void)memset((void *)&msi, 0, sizeof(msi));
if (copy_from_gpa(vm, &msi, param, sizeof(msi)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);
return -1;
@ -301,7 +301,7 @@ int64_t hcall_set_ioreq_buffer(struct vm *vm, uint64_t vmid, uint64_t param)
if (target_vm == NULL)
return -1;
memset((void *)&iobuf, 0, sizeof(iobuf));
(void)memset((void *)&iobuf, 0, sizeof(iobuf));
if (copy_from_gpa(vm, &iobuf, param, sizeof(iobuf)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);
@ -449,7 +449,7 @@ int64_t hcall_set_vm_memmap(struct vm *vm, uint64_t vmid, uint64_t param)
if ((vm == NULL) || (target_vm == NULL))
return -1;
memset((void *)&memmap, 0, sizeof(memmap));
(void)memset((void *)&memmap, 0, sizeof(memmap));
if (copy_from_gpa(vm, &memmap, param, sizeof(memmap)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);
@ -482,7 +482,7 @@ int64_t hcall_set_vm_memmaps(struct vm *vm, uint64_t param)
return -1;
}
memset((void *)&set_memmaps, 0, sizeof(set_memmaps));
(void)memset((void *)&set_memmaps, 0, sizeof(set_memmaps));
if (copy_from_gpa(vm, &set_memmaps, param, sizeof(set_memmaps)) != 0) {
pr_err("%s: Unable copy param from vm\n", __func__);
@ -521,7 +521,7 @@ int64_t hcall_remap_pci_msix(struct vm *vm, uint64_t vmid, uint64_t param)
if (target_vm == NULL)
return -1;
memset((void *)&remap, 0, sizeof(remap));
(void)memset((void *)&remap, 0, sizeof(remap));
if (copy_from_gpa(vm, &remap, param, sizeof(remap)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);
@ -560,7 +560,7 @@ int64_t hcall_gpa_to_hpa(struct vm *vm, uint64_t vmid, uint64_t param)
if (target_vm == NULL)
return -1;
memset((void *)&v_gpa2hpa, 0, sizeof(v_gpa2hpa));
(void)memset((void *)&v_gpa2hpa, 0, sizeof(v_gpa2hpa));
if (copy_from_gpa(vm, &v_gpa2hpa, param, sizeof(v_gpa2hpa)) != 0) {
pr_err("HCALL gpa2hpa: Unable copy param from vm\n");
@ -640,7 +640,7 @@ int64_t hcall_set_ptdev_intr_info(struct vm *vm, uint64_t vmid, uint64_t param)
if (target_vm == NULL)
return -1;
memset((void *)&irq, 0, sizeof(irq));
(void)memset((void *)&irq, 0, sizeof(irq));
if (copy_from_gpa(vm, &irq, param, sizeof(irq)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);
@ -670,7 +670,7 @@ hcall_reset_ptdev_intr_info(struct vm *vm, uint64_t vmid, uint64_t param)
if (target_vm == NULL)
return -1;
memset((void *)&irq, 0, sizeof(irq));
(void)memset((void *)&irq, 0, sizeof(irq));
if (copy_from_gpa(vm, &irq, param, sizeof(irq)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);
@ -694,7 +694,7 @@ int64_t hcall_setup_sbuf(struct vm *vm, uint64_t param)
struct sbuf_setup_param ssp;
uint64_t *hva;
memset((void *)&ssp, 0, sizeof(ssp));
(void)memset((void *)&ssp, 0, sizeof(ssp));
if (copy_from_gpa(vm, &ssp, param, sizeof(ssp)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);

6
hypervisor/common/vm_load.c
View File

@ -35,7 +35,7 @@ static uint64_t create_zero_page(struct vm *vm)
zeropage = (struct zero_page *)((char *)hva + MEM_4K);
/* clear the zeropage */
memset(zeropage, 0, MEM_2K);
(void)memset(zeropage, 0, MEM_2K);
/* copy part of the header into the zero page */
hva = GPA2HVA(vm, (uint64_t)vm->sw.kernel_info.kernel_load_addr);
@ -81,7 +81,7 @@ int load_guest(struct vm *vm, struct vcpu *vcpu)
lowmem_gpa_top = *(uint64_t *)hva;
/* hardcode vcpu entry addr(kernel entry) & rsi (zeropage)*/
memset(cur_context->guest_cpu_regs.longs,
(void)memset(cur_context->guest_cpu_regs.longs,
0, sizeof(uint64_t)*NUM_GPRS);
hva = GPA2HVA(vm, lowmem_gpa_top -
@ -149,7 +149,7 @@ int general_sw_loader(struct vm *vm, struct vcpu *vcpu)
/* Documentation states: ebx=0, edi=0, ebp=0, esi=ptr to
* zeropage
*/
memset(cur_context->guest_cpu_regs.longs,
(void)memset(cur_context->guest_cpu_regs.longs,
0, sizeof(uint64_t) * NUM_GPRS);
/* Get host-physical address for guest bootargs */

4
hypervisor/debug/logmsg.c
View File

@ -107,7 +107,7 @@ void do_logmsg(uint32_t severity, const char *fmt, ...)
pcpu_id = get_cpu_id();
buffer = per_cpu(logbuf, pcpu_id);
memset(buffer, 0, LOG_MESSAGE_MAX_SIZE);
(void)memset(buffer, 0, LOG_MESSAGE_MAX_SIZE);
/* Put time-stamp, CPU ID and severity into buffer */
snprintf(buffer, LOG_MESSAGE_MAX_SIZE,
"[%lluus][cpu=%hu][sev=%u][seq=%u]:",
@ -187,7 +187,7 @@ void print_logmsg_buffer(uint16_t pcpu_id)
do {
uint32_t idx;
memset(buffer, 0, LOG_ENTRY_SIZE + 1);
(void)memset(buffer, 0, LOG_ENTRY_SIZE + 1);
if (*sbuf == NULL)
return;

2
hypervisor/debug/printf.c
View File

@ -45,7 +45,7 @@ int vprintf(const char *fmt, va_list args)
int nchars = 0;
/* initialize parameters */
memset(&param, 0, sizeof(param));
(void)memset(&param, 0, sizeof(param));
param.emit = charout;
param.data = &nchars;

8
hypervisor/debug/shell_internal.c
View File

@ -225,8 +225,8 @@ static int shell_process(struct shell *p_shell)
status = shell_process_cmd(p_shell, p_input_line);
/* Now that the command is processed, zero fill the input buffer */
memset((void *) p_shell->input_line[p_shell->input_line_active], 0,
SHELL_CMD_MAX_LEN + 1U);
(void)memset((void *) p_shell->input_line[p_shell->input_line_active],
0, SHELL_CMD_MAX_LEN + 1U);
/* Process command and return result to caller */
return status;
@ -360,7 +360,7 @@ int shell_init_serial(struct shell *p_shell)
}
/* Zero fill the input buffer */
memset((void *)p_shell->input_line[p_shell->input_line_active], 0,
(void)memset((void *)p_shell->input_line[p_shell->input_line_active], 0,
SHELL_CMD_MAX_LEN + 1U);
return status;
@ -382,7 +382,7 @@ int shell_cmd_help(struct shell *p_shell,
pr_dbg("shell: Number of registered commands = %u in %s\n",
p_shell->cmd_count, __func__);
memset(space_buf, ' ', sizeof(space_buf));
(void)memset(space_buf, ' ', sizeof(space_buf));
/* Proceed based on the number of registered commands. */
if (p_shell->cmd_count == 0U) {
/* No registered commands */

2
hypervisor/lib/memory.c
View File

@ -272,7 +272,7 @@ void *calloc(unsigned int num_elements, unsigned int element_size)
/* Determine if memory was allocated */
if (memory != NULL) {
/* Zero all the memory */
memset(memory, 0, num_elements * element_size);
(void)memset(memory, 0, num_elements * element_size);
}
/* Return pointer to memory */

2
hypervisor/lib/spinlock.c
View File

@ -8,7 +8,7 @@
inline void spinlock_init(spinlock_t *lock)
{
memset(lock, 0, sizeof(spinlock_t));
(void)memset(lock, 0, sizeof(spinlock_t));
}
void spinlock_obtain(spinlock_t *lock)
{

8
hypervisor/lib/sprintf.c
View File

@ -469,7 +469,7 @@ int do_print(const char *fmt, struct print_param *param,
start = fmt++;
/* initialize the variables for the next argument */
memset(&(param->vars), 0, sizeof(param->vars));
(void)memset(&(param->vars), 0, sizeof(param->vars));
param->vars.mask = 0xFFFFFFFFFFFFFFFFUL;
/*
@ -625,7 +625,7 @@ static int charmem(int cmd, const char *s, int sz, void *hnd)
else {
n = (sz < param->sz - param->wrtn) ? sz : 0;
param->wrtn += sz;
memset(p, *s, n);
(void)memset(p, *s, n);
}
return n;
@ -649,10 +649,10 @@ int vsnprintf(char *dst, int sz, const char *fmt, va_list args)
struct snprint_param snparam;
/* initialize parameters */
memset(&snparam, 0, sizeof(snparam));
(void)memset(&snparam, 0, sizeof(snparam));
snparam.dst = dst;
snparam.sz = sz;
memset(&param, 0, sizeof(param));
(void)memset(&param, 0, sizeof(param));
param.emit = charmem;
param.data = &snparam;