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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
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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;