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hv: vtd: fix use of uninitialized variable in dmar_free_irte 

This patch fixes the following error:
  error: variable 'sid' is used uninitialized whenever 'if' condition is true
  [-Werror,-Wsometimes-uninitialized]

Tracked-On: #861

Signed-off-by: Gao, Shiqing <shiqing.gao@intel.com>
This commit is contained in:
Gao, Shiqing 2024-07-03 10:35:28 +08:00 committed by acrnsi-robot
parent 2aed0c7aa1
commit 0bcf469758
1 changed files with 1 additions and 0 deletions
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hypervisor/arch/x86/vtd.c
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@ -1398,6 +1398,7 @@ void dmar_free_irte(const struct intr_source *intr_src, uint16_t index)
if (intr_src->is_msi) {
dmar_unit = device_to_dmaru((uint8_t)intr_src->src.msi.bits.b, intr_src->src.msi.fields.devfun);
sid.value = (uint16_t)(intr_src->src.msi.value);
} else {
dmar_unit = ioapic_to_dmaru(intr_src->src.ioapic_id, &sid);
}