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HV:fix 'missing for discarded return value' violations

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Return value should be checked,fix it by add
"void" when the function return value is not used.

V1->V2:
    replace printf with pr_warn.
V2->V3:
    change the commit to make read easily.

Tracked-On:#861

Signed-off-by: Huihuang Shi <huihuang.shi@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Huihuang Shi
2018-10-15 11:31:12 +08:00
committed by wenlingz
parent 19e0bed593
commit c6c1e42b79
6 changed files with 21 additions and 19 deletions
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6
hypervisor/arch/x86/mtrr.c
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@@ -166,7 +166,7 @@ static void update_ept_mem_type(struct vcpu *vcpu)
* - when def_type.FE is clear, MTRRdefType.type is applied
*/
if (!is_mtrr_enabled(vcpu) || !is_fixed_range_mtrr_enabled(vcpu)) {
update_ept(vcpu->vm, 0U, MAX_FIXED_RANGE_ADDR,
(void)update_ept(vcpu->vm, 0U, MAX_FIXED_RANGE_ADDR,
get_default_memory_type(vcpu));
return;
}
@@ -182,14 +182,14 @@ static void update_ept_mem_type(struct vcpu *vcpu)
if (type == vcpu->mtrr.fixed_range[i].type[j]) {
size += get_subrange_size_of_fixed_mtrr(i);
} else {
update_ept(vcpu->vm, start, size, type);
(void)update_ept(vcpu->vm, start, size, type);
type = vcpu->mtrr.fixed_range[i].type[j];
start = get_subrange_start_of_fixed_mtrr(i, j);
size = get_subrange_size_of_fixed_mtrr(i);
}
}
update_ept(vcpu->vm, start, size, type);
(void)update_ept(vcpu->vm, start, size, type);
}
}