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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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2
hypervisor/arch/x86/irq.c
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@@ -72,7 +72,7 @@ void free_irq_num(uint32_t irq)
if (irq_is_gsi(irq) == false) {
spinlock_irqsave_obtain(&irq_alloc_spinlock, &rflags);
bitmap_test_and_clear_nolock((uint16_t)(irq & 0x3FU),
(void)bitmap_test_and_clear_nolock((uint16_t)(irq & 0x3FU),
irq_alloc_bitmap + (irq >> 6U));
spinlock_irqrestore_release(&irq_alloc_spinlock, rflags);
}