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hv:fix "missing for discarded return value" for memcpy_s and strcpy_s

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It will print error information inside memcpy_s if
the parameteter is invalid, the caller can not check
the return value for memcpy_s/strcpy_s/strncpy_s
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>
This commit is contained in:
Mingqiang Chi
2018-07-05 13:32:01 +08:00
committed by wenlingz
parent 8d3847d216
commit deb44402e3
20 changed files with 63 additions and 60 deletions
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2
hypervisor/common/hypercall.c
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@@ -144,7 +144,7 @@ int64_t hcall_create_vm(struct vm *vm, uint64_t param)
(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);
(void)memcpy_s(&vm_desc.GUID[0], 16, &cv.GUID[0], 16);
ret = create_vm(&vm_desc, &target_vm);
if (ret != 0) {